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OpenToolVault
2100+ free tools

Free tools that run in your browser — privately

Calculators, PDF & file utilities, image and video tools, developer helpers and more. Every tool names its source, license, and where your data goes.

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2,166 tools56 run locally1908 external demos
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Cron Expression Builder

Parse cron expressions. Powered by cronstrue (MIT)

CalculatorsRuns in your browserSelf-hostedVerified

Base64 Encoder / Decoder

Encode and decode text using Base64. Works entirely in your browser using native APIs

ConvertersRuns in your browserSelf-hostedVerified

Color Converter

Convert HEX colors to RGB and HSL. Powered by color-convert (MIT)

ConvertersRuns in your browserSelf-hostedVerified

CSV to JSON Converter

Convert CSV data to JSON format instantly in your browser

ConvertersRuns in your browserSelf-hostedVerified

JSON to CSV Converter

Convert JSON arrays to CSV format

ConvertersRuns in your browserSelf-hostedVerified

URL Encoder / Decoder

URL-encode or decode text instantly in your browser

ConvertersRuns in your browserSelf-hostedVerified

JSON Formatter

Format, validate, and prettify JSON in your browser using native browser APIs

DeveloperRuns in your browserSelf-hostedVerified

JWT Decoder

Decode JWT tokens to see header and payload

DeveloperRuns in your browserSelf-hostedVerified

Browse by category

Ten collections, hundreds of focused tools.

Astronomy14 toolsBeauty1 toolsBusiness15 toolsCalculators81 toolsCareer26 toolsCommunication29 toolsConverters80 toolsCooking14 toolsData12 toolsDesign68 toolsDeveloper384 toolsDiagram20 toolsEducation41 toolsEncryption50 toolsEngineering14 toolsFinance66 toolsFitness17 toolsGaming59 toolsGenealogy14 toolsGenerators34 toolsHealth31 toolsHome Garden14 toolsImage Tools97 toolsIslamic14 toolsKids14 toolsLegal14 toolsLifestyle29 toolsMaps33 toolsMarketing30 toolsMath3 toolsMedia9 toolsMusic77 toolsNetwork68 toolsNews2 toolsPdf Tools56 toolsPet14 toolsPhotography28 toolsPrivacy18 toolsProductivity97 toolsReference14 toolsScience18 toolsSecurity103 toolsSocial Media14 toolsSports14 toolsText Tools249 toolsTravel14 toolsValidators13 toolsVideo12 toolsWeather13 toolsWriting Tools15 tools

Built on real open-source projects

These tools wrap a specific, named library. We link the repo and license on every page — nothing hidden.

Adobe Firefly

Adobe's family of generative AI models for images, design, and text effects

·MIT

Comfy UI

Node-based interface to build and run Stable Diffusion image-generation workflows with full control over every step

·GPL-3.0

Eleven Labs

AI text-to-speech and voice cloning platform with lifelike voices in many languages

·MIT

Google Gemini

Google's multimodal AI assistant integrated across Google products

·MIT

Honest about how these tools work

No marketing sleight of hand — just clear provenance, local processing where it's possible, and credit where it's due.

Open-source project
Reviewed & wired up
Runs in your browser

Built with trusted open-source projects

Browser tools are powered by well-known libraries like pdf.js, ffmpeg.wasm and sql.js — no black boxes.

Every tool includes source and license credits

Each open-source tool page names its project, license and a link to view the source on GitHub.

Verified browser compatibility

Tools marked verified have been checked to run correctly and privately in modern browsers.

Jump straight to a tool

A dense, low-friction directory — no big cards needed.

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0 A D.Cross-platform real-time strategy game of ancient warfare10 Minute MailTemporary disposable email address. Valid for 10 minutes, extendable. No registration1PasswordAward-winning password manager for individuals and teams1PasswordSecure password manager for individuals, families, and teams24Time ZonesWorld clock, time zone converter, and interactive time zone map tool3D House Planner3D home design application. Plan rooms, furniture, and layouts500pxPhotography community and marketplace for sharing photos500pxPhotography community and marketplace7-ZipHigh-compression file archiver supporting ZIP, 7z, RAR, TAR, and many formats7-ZipOpen-source file archiver with high compression ratios and many formatsA Dark RoomMinimalist text adventure game that runs entirely in your browsera NotepadOnline notepad that saves notes without an account using cookies. Share via URLA Web WhiteboardTouch-friendly online collaborative whiteboard. Draw and share instantlyA2FaxSend free faxes online. No ads, add your logo to cover pagesABC-MapCreate geographical maps. Import data, create visualizations, exportABCmouseOnline early learning program for ages 2-8 covering reading, math, and artAbleton LiveDigital audio workstation for music creationAccessibility InsightsMicrosoft's accessibility testing tool for web and Windows appsAccessible ColorsEvaluate color contrast for WCAG compliance. Find accessible color combinations for your designsAccu WeatherLocal and worldwide weather forecasts with minute-by-minute updatesAckeeSelf-hosted, privacy-focused web analytics with no cookiesAcronym CreatorCreate acronyms from words. For organizations, algorithms, or anythingActivity WatchOpen-source, privacy-first time trackingActual BudgetLocal-first personal finance tool based on zero-sum budgetingAdidas RunningGPS running tracker with coaching and statsAdmin LTEFree admin dashboard template. Bootstrap 5, responsive, with plugins and pagesAdminerSingle-file open-source database management tool supporting many enginesAdobe AcrobatAdobe's PDF reader and editor for viewing, signing, and editing PDF filesAdobe AcrobatCreate, edit, and sign PDFs with Adobe AcrobatAdobe ColorCreate and explore color palettes with the Adobe color wheelAdobe FireflyAdobe's family of generative AI models for images, design, and text effectsAdobe LightroomProfessional photo editing and organizationAdobe Premiere ProIndustry-standard professional video editingAdobe StockStock photography service integrated with Adobe Creative Cloud applicationsAdopt-a-PetPet adoption network listing dogs and cats from shelters and rescues nationwideAFFi NENext-gen knowledge base for planning, sorting and creating. Alternative to Notion and MiroAffinity PhotoProfessional photo editing software with advanced retouching and compositing toolsAgar ioMassively multiplayer cell game. Eat cells to grow, avoid larger playersageSimple, modern, secure file encryption tool with small keysAge CalculatorFind your exact age in years, months, and days, plus days until your next birthday — instant and privateAgorapulseSocial media management suite with scheduling, inbox, and reporting toolsAhrefsIndustry-standard SEO toolset for rankings and researchAI Vocal RemoverSeparate voice from music using AI. Remove or isolate vocals from any songAim LabFree aim trainer for FPS games. Improve aim, reaction time, and mouse control with science-backed trainingAirbnbBook unique stays, homes, and experiences worldwideAirbyteOpen-source data integration platform with 300+ connectorsAircrack-ngComplete suite of tools for assessing Wi-Fi network security: monitoring, attacking, testing, and crackingAirsonicFree, web-based media streamer for music and podcastsAirtableHybrid spreadsheet and database for teamsAl Quran CloudFree open-source Quran API with text, translations, audio, and word-level dataAlabe SoftwareProfessional astrology software and chart services from Alabe PublishingAlarm DJOnline alarm clock. Use MP3 files and YouTube videos as alarm soundsAlfresco CommunityOpen-source enterprise content management with document and records managementAlgoliaHosted search API with fast, typo-tolerant resultsAListOpen-source file listing and sharing program supporting many storage backendsAll PawsPet adoption search platform that matches adopters with pets from local sheltersAllrecipesFind recipes, meal ideas, and cooking tipsAlpacaCommission-free stock trading API for developers and algorithmsAlso AskedKeyword research tool that extracts the People-Also-Ask questions for any topicAmbient MixerListen to free audio atmospheres or mix your own ambient sound onlineAmortization CalculatorSee the full amortization schedule of a loan, payment by paymentAmpacheWeb-based audio/video streaming applicationAncestrisFree, open-source genealogy desktop application with advanced GEDCOM editingAncestryDiscover your family history with recordsAndroid Asset StudioGenerate launcher icons, notification icons, and more from imagesAngry IP ScannerFast, simple network scanner for finding live IP addressesAnimeJavaScript animation engine. Animate CSS, SVG, DOM attributes, and JS objectsAnime OpeningsFree anime radio. Listen or download anime opening and ending songsAnimistaCSS animation playground and generator. Create, preview, and export CSS animationsAnkiPowerful flashcard app using spaced repetition to help you memorize anything efficientlyAnki AppFlashcard app with spaced repetitionAnsibleSimple automation for configuration management, app deployment, and task automationAnswer The PublicVisual keyword research tool that maps the questions and phrases people search forAny AudioStream and download music. Simple audio search and playbackAnything LLMAll-in-one desktop AI app that turns documents and chat into a private knowledge baseAnytypeLocal-first, privacy-first note-taking and knowledge baseApache AirflowOpen-source platform to programmatically author, schedule, and monitor data pipelinesApache AirflowProgrammatically author, schedule, and monitor data workflows and pipelinesApache EChartsPowerful interactive charting and visualization library. Maps, heatmaps, lines, graphsApache FlinkOpen-source stream processing framework for stateful computationsApache JMeterOpen-source load testing tool for measuring performance of web appsApache KafkaDistributed event streaming platform for high-throughput data pipelinesApache LuceneHigh-performance, full-featured text search engine library written in JavaApache SolrA mature open-source search platform built on Apache Lucene, offering a browser-accessible Admin UI plus HTTP APIs for fApache SolrScalable, open-source enterprise search platformApache SparkUnified engine for large-scale data analytics, with SQL, streaming, and machine learningApache SupersetOpen-source business intelligence web app for interactive dashboards and chartsApache SupersetModern data exploration and visualization platformApartments comRental listing search engine with floor plans, photos, and neighborhood dataApidogAll-in-one API design, testing, mock, and documentation platformApktoolTool for reverse engineering third-party Android apps by decoding resources back to nearly original formApp FlowyOpen-source Notion alternative. Detailed to-do lists and project trackingApple MusicApple's music streaming service with spatial audioar XivOpen-access archive for scientific papers in many fieldsArachniFeature-rich, modular Ruby web application security scanner frameworkArc GIS OnlineEsri's cloud geographic information system for creating and sharing mapsArdourProfessional open-source digital audio workstation for recording, editing, and mixingArduino IDEOfficial open-source IDE for programming Arduino microcontroller boardsArea ConverterConvert square meters, acres, hectares, square feet, and other area unitsArgos TranslateOpen-source offline translation library and GUI using neural networks. No internet requiredAsanaProject and task management for teams of all sizesASCII Art GeneratorConvert photos and text to ASCII artASCII ConverterConvert text to ASCII codes and ASCII codes to textAssetfinderPassive subdomain discovery tool that finds related domains and subdomains without directly touching the targetAstroBuild fast content websites, blogs, and portfolios with islands architectureAstro comAstrodienst's free chart drawing and professional astrology report serviceAstro SageFree Vedic astrology tools including Kundli, horoscopes, and gemstone guidanceAstro-ChartsFree interactive birth chart calculator with detailed planetary aspect tablesAstro-DatabankWiki database of thousands of notable people's birth charts with verified dataAstro-SeekFree astrology calculator with natal charts, transits, synastry, and horoscopesAstrologFree and open-source astrology program for creating and interpreting horoscope chartsAstrology by SotaevaAstrology software for Windows and Android with natal, transit, and compatibility chartsAstropyCommunity-developed Python library for astronomy researchAstrothemeFree natal chart calculations, astrology reports, and celebrity birth dataAthlinksRace result search and athletic performance database for runners and triathletesAudacityFree, open-source, cross-platform audio software for recording and editingAudio MassFree online audio editor and converter. Trim, cut, paste, apply effects — all in browserAudiobookshelfSelf-hosted audiobook and podcast serverAudiusDecentralized, community-owned music streaming platformAuraGuided meditation and sleep stories app with a library of science-backed contentAuto DrawDraw and let Google's AI guess what you're drawing. Download as PNGAutopsyForensic analysis of hard drives and media. Recover deleted files, analyze artifacts, and generate reportsAutorunsSysinternals tool that shows every program configured to run at startup, logon or boot on WindowsAvidemuxOpen-source video editor for simple cutting, filtering, and encoding tasksAvvoLawyer directory and Q&A platform that rates attorneys by experience and reviewsaxe Dev ToolsBrowser extension to find accessibility issues in web appsaxe-coreAutomated accessibility testing engine for web applicationsBabbelLearn a new language with short daily lessonsBaby CenterPregnancy and parenting resources and toolsBacktraderPython backtesting and live trading frameworkBalancePersonalized meditation program that adapts daily based on your mood and feedbackBalenaPlatform for building, deploying, and managing fleets of connected devicesBand LabFree online music creation studioBarcode GeneratorGenerate CODE128 barcodes. Powered by JsBarcode (MIT)BarkOpen-source generative audio model for realistic text-to-speech and audioBase64 Encoder / DecoderEncode and decode text using Base64. Works entirely in your browser using native APIsBase64 Image ViewerPaste base64 image data to instantly decode and preview it in your browser, with automatic PNG, JPEG, GIF, WEBP, and BMPBasecampAll-in-one tool for projects, team communication, and to-dosBaserowOpen-source no-code database and app builderbatA cat clone with syntax highlighting and git integrationBBGOGo-based cryptocurrency trading bot framework for building automated strategiesBe EFBrowser Exploitation Framework that focuses on the web browser to assess security posture via client-side attacksBe Funky Photo EditorOnline photo editor with filters and effects. Crop, resize, and enhanceBeam CalculatorCalculate beam deflection, stress, and supportsBeancountDouble-entry bookkeeping from plain text with automated checksBeautylishBeauty marketplace and community with product reviews, tutorials, and artistsBee Line ReaderColor-gradient reading aid that guides your eyesBeeceptorService for creating mock REST APIs, intercepting requests, and testing webhooksBeekeeper StudioModern, open-source SQL client for MySQL, Postgres, SQLite, and moreBeelinguappLearn languages by reading side-by-side parallel texts with audiobook narrationBeetsThe music geek's media organizer for tagging and managing music librariesBehanceShowcase and discover creative work and design projectsBento PDFPrivacy-first, client-side PDF toolkit. Manipulate, edit, merge, and process PDFs in browserBespoke SynthOpen-source modular synthesizer where you build patches by connecting modules on screenBest Free Accessibility ToolsThe best free accessibility tools, ranked by community adoption. Free, open-source, no signupBest Free Ai ToolsThe best free ai tools, ranked by community adoption. Free, open-source, no signupBest Free Analytics ToolsThe best free analytics tools, ranked by community adoption. Free, open-source, no signupBest Free Api ToolsThe best free api tools, ranked by community adoption. Free, open-source, no signupBest Free Astronomy ToolsThe best free astronomy tools, ranked by community adoption. Free, open-source, no signupBest Free Audio ToolsThe best free audio tools, ranked by community adoption. Free, open-source, no signupBest Free Beauty ToolsThe best free beauty tools, ranked by community adoption. Free, open-source, no signupBest Free Blogging ToolsThe best free blogging tools, ranked by community adoption. Free, open-source, no signupBest Free Business ToolsThe best free business tools, ranked by community adoption. Free, open-source, no signupBest Free Calculators ToolsThe best free calculators tools, ranked by community adoption. Free, open-source, no signupBest Free Career ToolsThe best free career tools, ranked by community adoption. Free, open-source, no signupBest Free Code ToolsThe best free code tools, ranked by community adoption. Free, open-source, no signupBest Free Communication ToolsThe best free communication tools, ranked by community adoption. Free, open-source, no signupBest Free Converters ToolsThe best free converters tools, ranked by community adoption. Free, open-source, no signupBest Free Cooking ToolsThe best free cooking tools, ranked by community adoption. Free, open-source, no signupBest Free Crypto ToolsThe best free crypto tools, ranked by community adoption. Free, open-source, no signupBest Free Data ToolsThe best free data tools, ranked by community adoption. Free, open-source, no signupBest Free Design ToolsThe best free design tools, ranked by community adoption. Free, open-source, no signupBest Free Developer ToolsThe best free developer tools, ranked by community adoption. Free, open-source, no signupBest Free Devtools ToolsThe best free devtools tools, ranked by community adoption. Free, open-source, no signupBest Free Diagram ToolsThe best free diagram tools, ranked by community adoption. Free, open-source, no signupBest Free Document Management ToolsThe best free document management tools, ranked by community adoption. Free, open-source, no signupBest Free Education ToolsThe best free education tools, ranked by community adoption. Free, open-source, no signupBest Free Email ToolsThe best free email tools, ranked by community adoption. Free, open-source, no signupBest Free Encryption ToolsThe best free encryption tools, ranked by community adoption. Free, open-source, no signupBest Free Engineering ToolsThe best free engineering tools, ranked by community adoption. Free, open-source, no signupBest Free File ToolsThe best free file tools, ranked by community adoption. Free, open-source, no signupBest Free Finance ToolsThe best free finance tools, ranked by community adoption. Free, open-source, no signupBest Free Fitness ToolsThe best free fitness tools, ranked by community adoption. Free, open-source, no signupBest Free Focus ToolsThe best free focus tools, ranked by community adoption. Free, open-source, no signupBest Free Form ToolsThe best free form tools, ranked by community adoption. Free, open-source, no signupBest Free Fun ToolsThe best free fun tools, ranked by community adoption. Free, open-source, no signupBest Free Gaming ToolsThe best free gaming tools, ranked by community adoption. Free, open-source, no signupBest Free Gaming Utilities ToolsThe best free gaming utilities tools, ranked by community adoption. Free, open-source, no signupBest Free Genealogy ToolsThe best free genealogy tools, ranked by community adoption. Free, open-source, no signupBest Free Generators ToolsThe best free generators tools, ranked by community adoption. Free, open-source, no signupBest Free Grammar ToolsThe best free grammar tools, ranked by community adoption. Free, open-source, no signupBest Free Health ToolsThe best free health tools, ranked by community adoption. Free, open-source, no signupBest Free Home Design ToolsThe best free home design tools, ranked by community adoption. Free, open-source, no signupBest Free Home Garden ToolsThe best free home garden tools, ranked by community adoption. Free, open-source, no signupBest Free Hub Guides ToolsThe best free hub guides tools, ranked by community adoption. Free, open-source, no signupBest Free Image ToolsThe best free image tools, ranked by community adoption. Free, open-source, no signupBest Free Image Video ToolsThe best free image video tools, ranked by community adoption. Free, open-source, no signupBest Free Iot ToolsThe best free iot tools, ranked by community adoption. Free, open-source, no signupBest Free Islamic ToolsThe best free islamic tools, ranked by community adoption. Free, open-source, no signupBest Free Job Search ToolsThe best free job search tools, ranked by community adoption. Free, open-source, no signupBest Free Kids ToolsThe best free kids tools, ranked by community adoption. Free, open-source, no signupBest Free Language Learning ToolsThe best free language learning tools, ranked by community adoption. Free, open-source, no signupBest Free Legal ToolsThe best free legal tools, ranked by community adoption. Free, open-source, no signupBest Free Lifestyle ToolsThe best free lifestyle tools, ranked by community adoption. Free, open-source, no signupBest Free Map Gis ToolsThe best free map gis tools, ranked by community adoption. Free, open-source, no signupBest Free Map ToolsThe best free map tools, ranked by community adoption. Free, open-source, no signupBest Free Marketing ToolsThe best free marketing tools, ranked by community adoption. Free, open-source, no signupBest Free Math ToolsThe best free math tools, ranked by community adoption. Free, open-source, no signupBest Free Media Streaming ToolsThe best free media streaming tools, ranked by community adoption. Free, open-source, no signupBest Free Medical ToolsThe best free medical tools, ranked by community adoption. Free, open-source, no signupBest Free Mindfulness ToolsThe best free mindfulness tools, ranked by community adoption. Free, open-source, no signupBest Free Music Production ToolsThe best free music production tools, ranked by community adoption. Free, open-source, no signupBest Free Music ToolsThe best free music tools, ranked by community adoption. Free, open-source, no signupBest Free Network ToolsThe best free network tools, ranked by community adoption. Free, open-source, no signupBest Free News ToolsThe best free news tools, ranked by community adoption. Free, open-source, no signupBest Free Osint ToolsThe best free osint tools, ranked by community adoption. Free, open-source, no signupBest Free Password Managers ToolsThe best free password managers tools, ranked by community adoption. Free, open-source, no signupBest Free Pdf Files ToolsThe best free pdf files tools, ranked by community adoption. Free, open-source, no signupBest Free Pdf ToolsThe best free pdf tools, ranked by community adoption. Free, open-source, no signupBest Free Pet ToolsThe best free pet tools, ranked by community adoption. Free, open-source, no signupBest Free Photography ToolsThe best free photography tools, ranked by community adoption. Free, open-source, no signupBest Free Privacy ToolsThe best free privacy tools, ranked by community adoption. Free, open-source, no signupBest Free Productivity ToolsThe best free productivity tools, ranked by community adoption. Free, open-source, no signupBest Free Project Management ToolsThe best free project management tools, ranked by community adoption. Free, open-source, no signupBest Free Real Estate ToolsThe best free real estate tools, ranked by community adoption. Free, open-source, no signupBest Free Reference ToolsThe best free reference tools, ranked by community adoption. Free, open-source, no signupBest Free Remote Work ToolsThe best free remote work tools, ranked by community adoption. Free, open-source, no signupBest Free Science ToolsThe best free science tools, ranked by community adoption. Free, open-source, no signupBest Free Search ToolsThe best free search tools, ranked by community adoption. Free, open-source, no signupBest Free Security ToolsThe best free security tools, ranked by community adoption. Free, open-source, no signupBest Free Social Media ToolsThe best free social media tools, ranked by community adoption. Free, open-source, no signupBest Free Sports ToolsThe best free sports tools, ranked by community adoption. Free, open-source, no signupBest Free Study ToolsThe best free study tools, ranked by community adoption. Free, open-source, no signupBest Free Text ToolsThe best free text tools, ranked by community adoption. Free, open-source, no signupBest Free Time Date ToolsThe best free time date tools, ranked by community adoption. Free, open-source, no signupBest Free Tools ToolsThe best free tools tools, ranked by community adoption. Free, open-source, no signupBest Free Trading ToolsThe best free trading tools, ranked by community adoption. Free, open-source, no signupBest Free Translation ToolsThe best free translation tools, ranked by community adoption. Free, open-source, no signupBest Free Travel ToolsThe best free travel tools, ranked by community adoption. Free, open-source, no signupBest Free Validators ToolsThe best free validators tools, ranked by community adoption. Free, open-source, no signupBest Free Video ToolsThe best free video tools, ranked by community adoption. Free, open-source, no signupBest Free Weather ToolsThe best free weather tools, ranked by community adoption. Free, open-source, no signupBest Free Writing ToolsThe best free writing tools, ranked by community adoption. Free, open-source, no signupBettercapSwiss army knife for network attacks, monitoring, and MITM attacksBeyond ComparePowerful file and folder comparison tool with merge and sync featuresBfxrMake sound effects for your games. Retro-style synthesizer with instant previewBibiscoWriting tool focused on characters and story arcsBig Blue ButtonOpen-source web conferencing system for online learningBinwalkFirmware analysis tool that scans binary images to detect and extract embedded files and dataBiopythonPython tools for computational molecular biology and bioinformaticsBitbucketGit repository hosting with CI/CD and Atlassian integrationBitcoin CoreReference implementation of the Bitcoin protocol for full nodesBitlyPowerful URL shortener with REST API. Track and manage linksBitwardenOpen source password managerBitwig StudioDynamic music production and performance softwareBleach BitFree system cleaner for removing junk files and privacy dataBlenderFree and open-source 3D creation suite for modeling, animation, and renderingBleveOpen-source Go library for indexing and searching full-text data with BM25 rankingBlindAnonymous professional community discussing salaries, companies, and career adviceBlinkoPersonal note tool with AI features. Self-hosted knowledge baseBlockchain com ExplorerBitcoin blockchain explorer and walletBlockchairMulti-chain blockchain explorer and search engineBlockchairPrivacy-focused blockchain explorer and search engine for many cryptocurrenciesBlockstream ExplorerOpen-source explorer for Bitcoin and Liquid blockchainsBlood HoundDiscover hidden and often unintended relationships in Active Directory using graph theoryBlood Pressure ChartCheck blood pressure categories and what they meanBMI CalculatorCalculate your Body Mass Index and see your health category instantly — weight and height only, nothing leaves your browBMR CalculatorCalculate your basal metabolic rate and daily calorie needs for weight managementBody Fat CalculatorEstimate your body fat percentage and lean body mass from height and weightBooking comBook hotels, apartments, and vacation rentalsBorg BackupDeduplicating archiver with compression and authenticated encryption for backupsBotanC++ cryptography library with many algorithms and TLSBrain fmFunctional music engineered to improve focus, relaxation, and sleepBrain POPAnimated educational videos and games for kids across science and humanitiesBrainfuck VisualizerJavaScript Brainfuck interpreter and visualizer. See how the code runsBrainscapeAdaptive flashcard platform using confidence-based repetition to speed up learningBranition ColorsHand-curated color palettes for branding. Download and use in projectsBrave SearchPrivacy-focused search engine with an independent index and AI-powered answersBreathwrkBreathing exercises for stress, sleep, and energyBreetheGuided meditations, sleep sounds, and breathing exercises for anxiety and sleepBriarOpen-source peer-to-peer messenger designed for activists and journalistsBrowser Image CompressionCompress images in the browser with zero server uploads. Reduce JPEG/PNG file sizes before uploadingBrowser StackTest your site across real browsers and devicesBrowserlingTest websites in real browsers instantly without installing VMsBrowsershotLaravel/PHP package that takes screenshots and PDFs of web pages via PuppeteerBrowsery Tools152 browser-based tools across Image, AI, File, PDF, Media, Text, Data, Math, Finance, Productivity, Developer, SecurityBrunoOpen-source API client. Git-friendly collections, local storage, no cloud sync requiredBubbl usCreate mind maps and brainstorm ideas in the browser. Visual thinking toolBucket ListyBucket list manager with unique ideas. Track and add your own goalsBudget BytesAffordable recipe site with cost breakdowns for every meal and ingredientBufferSchedule posts across social networks and analyze performanceBug Me NotFind and share login credentials for websites that require registrationBuilt WithFind the technology stack of any website. Discover CMS, hosting, and toolsBuilt WithWeb technology profiler that identifies the frameworks, analytics and infrastructure a website is built withbulk_extractorExtracts valuable artifacts like emails, URLs and credit card numbers from disk images and directoriesBurp Suite CommunityIntercept, modify, and replay HTTP traffic to find web vulnerabilities. The standard tool for web pentestingBurstShopify's free stock photo platform with high-quality images for commerceBuscadorVirtual machine preconfigured with a curated set of OSINT toolsBusuuLearn languages with community feedbackButtondownSimple, pleasant newsletter tool for writersCaddyPowerful, enterprise-ready open-source web server with automatic HTTPSCafe AstrologyFree astrology guides, birth charts, horoscopes, and compatibility readingsCAGR CalculatorCompute the compound annual growth rate of an investmentCakewalk by Band LabFull-featured professional DAW available free for Windows from BandLabCalculCollection of calculators. Matrix, unit converters, statistical distributionsCalculator SoupHundreds of free online calculators for everyday mathCalculatoriaOnline scientific calculator with progress saved locallyCalculi XOpen-source finite element analysis package for structural and thermal analysisCalendar LabsFree printable calendar templates, date calculators, and holiday calendarsCalendlyAutomate scheduling with a simple, shareable booking pageCalibrePowerful, open-source ebook manager with conversion, library, and editing toolsCalibre WebWeb app for browsing, reading and downloading eBooksCalmApp for sleep, meditation, and relaxation with guided contentCalmMeditation, sleep, and relaxation appCalorie Burn CalculatorEstimate calories burned during a workout using the MET formulaCalorie CalculatorEstimate your daily calorie needs with BMR and TDEE using the Mifflin-St Jeor equation — entirely in your browserCalorie CounterLook up calories and nutrition for thousands of foods and track your daily intakeCanvaFree online design tool for social media, presentations, and graphicsCanvaDesign social media graphics and postsCanva PhotoDesign and edit photos with templatesCanva Resume MakerFree resume maker with hundreds of designer templates and drag-and-drop editingCanvas LMSOpen-source learning management system used by thousands of institutionsCap CutFree, all-in-one video editing app with templatesCaption HubAutomated captioning and subtitle tools for videoCapture OneProfessional RAW image editing and tethered capture software for photographersCarbonCreate and share beautiful images of your source code. Syntax highlighting, themes, and exportCard ValidatorValidate credit card numbers with the Luhn algorithmCardinalOpen-source virtual modular synthesizer that runs as a standalone, VST, or LV2Career BuilderLarge job board with millions of listings and resume-building resourcesCARTOLocation intelligence and spatial data analysis platform for businessCase TextAI-powered legal research and document draftingCassandraApache Cassandra for scalable, high-availability NoSQL dataCat Age CalculatorConvert cat years to human yearsCCXTCryptocurrency trading library supporting 100+ exchanges with one interfaceCelestiaOpen-source 3D space simulation that lets you travel through the universeCensysSearch and discovery for internet-facing assets: certificates, hosts, services, and vulnerabilities across the entire inChartSimple yet flexible JavaScript charting. Line, bar, radar, pie, and moreChat GPTOpenAI's conversational AI assistant for writing, coding, and Q&AChegg PrepFlashcards and study guides from CheggCheveretoSelf-hosted image sharing platformCheveretoSelf-hosted image hosting and sharing with a modern UIChewyOnline pet pharmacy, food, and supplies store for every petChkrootkitLocally checks for signs of rootkits on Unix-like systemsCholesterol LevelsUnderstand cholesterol levels and healthy rangesChrome Dev ToolsBuilt-in suite of debugging and profiling tools inside Google ChromeCinelerra GGFree and open-source professional video editing software for LinuxCircle CalculatorCalculate area, circumference, radius, and diameter of a circleCitraNintendo 3DS emulator for playing 3DS games on PCCity-DataDetailed statistics for cities and neighborhoodsClaudeAnthropic's AI assistant for chat, coding, and analysisClean IconsDownload Font Awesome icons as PNG. Clean, simple icon exportClick HouseOpen-source, high-performance columnar OLAP database for real-time analyticsClick UpAll-in-one productivity platform with tasks, docs, and goalsClickyReal-time web analytics with individual visitor tracking and heatmapsClioCloud-based practice management software for law firms with billing and CRMClipchampBrowser-based video editor with templates, from MicrosoftClipperzWeb-based password manager with encryptionCloud ConvertConvert between 200+ formats. Audio, video, document, ebook, image, and moreCloud FoxAutomates situational awareness and reconnaissance for cloud penetration testing on AWS, Azure and GCPCloudinaryCloud image and video management API with transformationCloverleafOpen source password manager alternative. No stored passwordsClozemasterLanguage learning game that teaches vocabulary through fill-in-the-blank sentencesClypAudio sharing without limits. Upload, share, and embed audio clipsCo ComelonPopular educational videos and songs for toddlersCo-StarPersonalized astrology app that generates a natal chart from your birth dataCocalcCollaborative calculation and cloud computing for research teamsCodaAll-in-one doc that brings teams and tools togetherCode Chef IDESimple single-file code compiler for major languagesCode PadOnline compiler with project subdomains. Test code snippets instantlyCode PenBuild, test, and share front-end code in the browserCode SandboxInstant IDE and prototyping tool for web appscode-serverRun VS Code on a server and access it from anywhere via a browsercode-serverVS Code in the browser. Run VS Code on any machine and access it via browserCoin CapFree cryptocurrency market data API with websocket supportCoin GeckoCrypto prices, charts, and market data for 10,000+ coinsCold TurkeyBlock distracting websites and apps with timersColor AnalysisFind your best colors with seasonal color analysisColor ConverterConvert HEX colors to RGB and HSL. Powered by color-convert (MIT)Color GameDaily color guessing game to test your eyeColor HuntHand-picked curated color palettes for designers and artistsColor HuntDiscover beautiful color palettes curated by designers. Browse, save, and use in your projectsColor NamesGet the official name of any color codeColordotMinimal color picker that generates harmonious color schemes as you move your cursorColormindAI-powered color palette generatorComfy UINode-based interface to build and run Stable Diffusion image-generation workflows with full control over every stepCommixAutomated tool to detect and exploit command injection vulnerabilities in web applicationsCompound Interest CalculatorProject how your savings and investments grow with compound interest and regular contributionsConcrete CalculatorEstimate how much concrete you need for a slab, footing, or columnConcrete CalculatorEstimate concrete needed for slabs, footings, and columnsConduitFast, lightweight Matrix homeserver written in RustConveneVirtual office platform for remote teams to collaborate in real timeConverseXMPP chat client in your browserConvert KitEmail marketing built for creators and authorsConvert-MeComprehensive unit converter covering length, mass, temperature, volume, area, speed, and moreConvertioConvert files between 300+ formats including PDF to WordCooking ConverterConvert between cups, tablespoons, grams, and ounces for cooking and baking ingredientsCooking ConverterConvert cooking measurements like cups, grams, and ouncesCookpadCommunity-driven recipe platform where home cooks share and discover dishesCoolorsFast color palette generator. Create, browse, and export color schemes for design projectsCopy Me ThatSave recipes from any website with one click and organize them in one placeCopy Paste CharacterClick to copy special characters and symbols. Arrows, math, currency, and moreCopy QAdvanced clipboard manager with search and historyCountdown CalculatorCount down to any target date in days, hours, minutes, and weeksCountlyOpen-source, privacy-friendly analytics for mobile and webCourseraOnline courses, certificates, and degrees from top universitiesCovenant.NET command and control framework for post-exploitation of Windows targetsCoverage comResearch and compare insurance products with data-driven guides and calculatorsCrack Map ExecSwiss army knife for pentesting Windows and Active Directory environments with credential sprayingCrack StationOnline hash cracking service with a large precomputed wordlist database for recovering plaintext passwordsCredit Card Payoff CalculatorFind out how long it takes to clear your credit card balance and how much interest you'll pay with a fixed monthly paymeCreepyGeolocation OSINT tool for gathering location information from social platformsCrew AIFramework for orchestrating role-playing autonomous AI agentsCREXiCommercial real estate marketplace with listings, analytics, and investment toolscrocOpen-source tool for simple and secure peer-to-peer file transfers between devicesCron Expression BuilderParse cron expressions. Powered by cronstrue (MIT)Cron Expression GeneratorBuild and validate cron expressions with a visual editor and next-run previewCron GuruValidate cron expressions and see when they'll runCronometerTrack calories, micronutrients, and health metrics preciselyCrontab GuruThe quick and simple editor for cron schedule expressionsCrowdfireSocial media content scheduling and management tool with curated content suggestionsCrowdinCloud localization management platform for translating software and contentCrypt PadEnd-to-end encrypted collaborative office suite. Documents, spreadsheets, polls, and whiteboardsCryptiiModular conversion, encoding, and encryption pipeline. Base64, Hex, AES, and 50+ operationsCrypto CompareCryptocurrency market data, prices, portfolio tracking, and comparisonsCryptomatorClient-side encryption for cloud files, with zero-knowledge privacyCSS AutoprefixerParse CSS and add vendor prefixes automatically. Paste CSS, get prefixed outputCSS MaticCSS tools: gradient generator, border radius, noise texture, and box shadowCSS MinifierMinify CSS online by removing whitespace and comments. Clean, compressed outputCSS TypesetVisual typeset editor. Adjust font-face, spacing, and download CSSCSV to JSON ConverterConvert CSV data to JSON format instantly in your browserCurrency ConverterConvert between 14 major world currencies instantly in your browser with reference exchange ratesCurse ForgeDownload mods and addons for popular gamesCutterFree and open-source reverse engineering platform powered by Radare2Cyber ChefThe Cyber Swiss Army Knife — a web app for encryption, encoding, compression, and data analysis. 300+ operationsCyberduckFTP and cloud storage browser for Mac and WindowsCypressFast, easy, reliable testing for anything that runs in a browserDa Vinci ResolveProfessional video editing, color, and effects suiteDa Vinci ResolveProfessional video editing, color grading, and visual effects softwareDaily TodoSimple online todo list. Add tasks, check them off, and stay organizedDark ReaderOpen-source browser extension that enables dark mode for websites everywhereDark SkyHyperlocal minute-by-minute weather forecastsDarktableOpen-source photography workflow application and RAW developerDarktableOpen-source photography workflow and RAW developerDart PadOpen-source Dart editor. Play with Dart language in any browserDashlanePassword manager with dark web monitoring and VPNDaskFlexible library for parallel computing in Python at any scaleData Storage ConverterConvert bytes, KB, MB, GB, TB and binary KiB, MiB, GiB unitsDataflow KitExtract structured data from web pages. Web scraping made visualDatasetteA self-hosted web application for publishing, browsing, filtering, and searching SQLite databases. Turns structured dataDatawrapperCreate charts, maps, and tables from data. No code needed. Export as PNG, SVG, or embedDate Difference CalculatorFind the exact days, weeks, months, and years between any two dates with an instant in-browser calculatorDatefulOnline time zone converter and world clock with a simple search interfaceDave's GardenLong-running gardening community with plant database, forums, and grow logsDaylioTrack your mood and build self-awarenessDBDiagramFree, web-based ER diagram designer for databasesDBeaverOpen-source universal database tool and SQL client for developersdbtTransform data in your warehouse with versioned, tested, SQL-based transformationsde4jsJavaScript deobfuscator and unpacker. Runs fully offline in the browserDebug BearWebsite speed test and Core Web Vitals monitoring. Real browser testingDeelGlobal payroll and contractor management for distributed teams and freelancersDeep ArtTurn your photos into AI artwork in famous painting stylesDeep LHigh-quality neural machine translation with a free tier and API accessDeep L TranslatorHigh-quality neural machine translation for text and documentsDeep SeekHigh-performance open-source language models and reasoning assistantsDefuse Encrypted PastebinPassword-protected public pastes. Encrypt text before sharingDeja DupSimple GNOME backup tool that encrypts and stores files locally or in the cloudDemucsOpen-source music source separation with state-of-the-art modelsDepositphotosStock photo, video, and music marketplace with flexible subscription plansDerivative CalculatorCompute derivatives with step-by-step solutionsDesmos 3DGraph 3D functions and surfaces interactivelyDesmos Graphing CalculatorExplore math with a free online graphing calculator. Plot functions, create tables, add sliders, animate graphsDEV CommunityWhere software builders share ideas and articlesdiagrams netFree diagramming application for building professional diagramsDiceJob board focused on technology and engineering careers with salary toolsDice BearGenerate cute, configurable avatars as SVG or PNGDictation ioOnline voice dictation software. Speak and see your words appear as textDictionary comEnglish dictionary, thesaurus, and word toolsDiep ioMultiplayer tank game. Shoot shapes to upgrade, then battle playersDiff NowAdvanced online file comparison. Compare files, text, or URLsdiff PDFCompare two PDF files and show the differencesDiff2htmlPretty diff to HTML/JS converter. Generate beautiful side-by-side and line-by-line diffsDiffcheckerCompare text, images, PDFs, and folders. Find differences between files with visual highlightingdigi KamOpen-source professional photo managementDirected Graph EditorCreate and edit directed graphs. Visualize nodes and edgesDirectusReal-time headless CMS for managing content across any data sourceDirsearchAdvanced web path brute-forcer to discover hidden directories and filesDiscordVoice, video, and text communication for communities and teamsDiscount CalculatorCalculate sale prices, discount amounts, and how much you save on any purchaseDiscourseAdvanced forum / community solutionDivest OSPrivacy-focused Android ROM with hardeningDNS CheckerCheck DNS propagation and lookup records worldwideDNS Lookup ToolBrowser-based DNS record lookup. Query A, AAAA, MX, TXT, NS, and other DNS record typesdnsxFast and flexible DNS toolkit for running multiple DNS queries, resolving subdomains and validating DNS recordsDocassembleBuild guided interviews that generate legal and other documentsDockerBuild, ship, and run applications in portable containers on any machineDocmostOpen-source collaborative wiki and knowledge baseDocsCollaborative note taking, wiki and documentation platformDocspellOpen-source personal document organizer with OCR, tagging, and full-text searchDocu SignElectronically sign, send, and manage agreements securelyDocumensoDigital document signing platform. Alternative to DocuSignDocusaurusBuild optimized documentation websites in minutesDocusealCreate, fill, and sign digital documents. Alternative to DocuSignDOCX PreviewRender and preview Microsoft Word .docx files in the browser without conversionDog Food AdvisorDog food reviews and ratingsDog TimeDog breed info, training, and care tipsDoka Photo EditorEasy photo editor. Crop, rotate, flip, filter, resize, and annotateDolphin EmulatorEmulator for Nintendo GameCube and Wii gamesDomain Age CheckerCheck when a domain was registered and its ageDomoticzLightweight home automation system supporting many devicesDOSBoxDOS emulator for running classic DOS games and appsDox DockFree browser-based PDF tools: merge, split, compress, convert, edit, and sign PDFsDoxdockFree, open-source PDF & image tools that run 100% in your browser — merge, split, compress, convert, edit & sign. No uplDraftVersion control and collaboration for writingDraftEasy version control and collaboration for writingdraw ioFlowchart and diagram softwaredraw iodiagrams.net is the leading open-source diagramming tool. Flowcharts, UML, network diagrams, and moreDreamstimeRoyalty-free stock photo community with a large library of photos and vectorsDrugs comPeer-reviewed drug information, pill identifier, and interaction checkerDS4WindowsOpen-source tool that lets you use PlayStation controllers on Windows with Xbox emulationDSPyFramework for programming foundation models with composable modules and optimizersDubOpen-source link shortener. Create short links with custom slugsDuck DBIn-process SQL OLAP database for analytics, built on vectorized executionDuck Duck GoSearch engine that doesn't track you, with private browsingDue Date CalculatorEstimate your pregnancy due date, current week, and trimester from your last menstrual periodDuolingoLearn a language with gamified lessonsDuolingo ABCLearn to read with fun, free lessonsdupe GuruFind duplicate files, images, and music on your systemDuplicatiFree, open-source backup with encryption to cloud storageduplicityEncrypted bandwidth-efficient backup tool using rsync algorithms and GPGE gg TimerSimple online countdown timer. Set a time and get notifiede HealthShop and compare individual, family, and Medicare health insurance plansE2EE GuideGuide to end-to-end encrypted services and toolsEasy OCRReady-to-use OCR library supporting 80+ languages with a simple Python APIEclipse TheiaCloud and desktop IDE framework built on web technologies. The basis of many IDEsEcosiaSearch engine that uses its advertising profits to plant trees around the worlded XFree and paid university-level courses and professional certificatesEdu Birdie Plagiarism CheckerOnline plagiarism checker. Compare content with online resourcesEFSharePeer-to-peer secure file sharing. Direct browser-to-browser transfersElastic SecurityFree and open SIEM with detection rules, endpoint security, and threat huntingElastic StackCollect, search, and analyze logs with Elasticsearch and KibanaElasticsearchDistributed, RESTful search and analytics engineElectrumLightweight, open-source Bitcoin wallet that's fast and secureElementFully-featured Matrix client for Web, iOS & AndroidElementary CAExplore elementary cellular automata patternsEleven LabsAI text-to-speech and voice cloning platform with lifelike voices in many languagesEleventySimpler static site generator with flexible templatingElmer FEMOpen-source finite element software for multiphysics problems like CFD and electromagneticsEmbyOrganize and stream personal media with apps for every deviceEmoji SearchIntelligent emoji search engine. Find the perfect emoji by descriptionEmojifyAdd emojis to text, lyrics, and poems. Spice up your writingEmojifyAdd emojis to your text automatically. Spice up lyrics, poems, and messagesEmpirePowerShell and Python post-exploitation framework with modules for lateral movement and persistenceEMQXScalable open-source MQTT broker for IoT and messagingEMQXOpen-source massively scalable MQTT broker for IoT and connected devicesEnc FSEncrypted filesystem in userspace for protecting directoriesEncipher itAES-256 text encryption and decryption in your browser. Secure messagesEncodingEncoding: Encode binary data with hex, base32, and base64Encyclopaedia BritannicaOne of the oldest and most respected general knowledge encyclopedias onlineEnergy ConverterConvert joules, calories, watt-hours, kWh, and BTU unitsEnhancvOnline resume builder with modern templates and recruiter-reviewed samplesEnpassPassword manager that stores vaults locally with cloud sync on your own accountEntangleOpen-source tethered camera control app for capturing images directly to your computerEntropy AnalyzerMeasure the Shannon entropy of a password, token, or string to gauge how unpredictable and resistant to guessing it realEpicDigital reading library with 40,000+ books, videos, and quizzes for kidsEpic Games StoreDigital game storefront offering a free game every week plus daily dealsEpicuriousRecipes, menus, and cooking techniques from a trusted food publisherEpoch ConverterConvert between Unix epoch timestamps and human-readable dates, in multiple formats and timezonesEpoch ConverterConvert between Unix timestamps and human-readable dates in many formatsEpocratesMobile drug reference, interaction checker, and clinical tools for cliniciansEpubJavaScript EPUB reader. Render ePub documents directly in the browserEquation SolverSolve linear and quadratic equations with stepsErgo IRCModern IRC server implementation in RustERPNextOpen-source ERP for SMEs with accounting, CRM, HR, and manufacturing modulesEspansoCross-platform text expander that works everywhereESPHomeCreate custom firmware for ESP32/ESP8266 devices using simple YAML config filesEspruinoJavaScript for microcontrollers — run JS on hardwareEther CalcOnline collaborative spreadsheet editor. Export to Excel. No account neededEtherpadHighly customizable real-time collaborative editorEtherscanEthereum blockchain explorer and analyticsEttercapComprehensive suite for man-in-the-middle attacks, network sniffing and traffic interceptionEtymonlineOnline etymology dictionary for word originsEver QuoteOnline insurance marketplace matching shoppers with top providers for quotesEvernoteNote-taking and organization app for capturing ideas, notes, and researchEvery AyahFree Quran audio downloads of every ayah with recitation by multiple qarisEvery Time ZoneVisual world clock that shows everyone's local time in one continuous stripEvery Time ZoneVisual time zone converter. Compare multiple time zones at a glance with a clean slider interfaceEverythingUltra-fast file and folder search for Windows by nameEvil-Win RMUltimate WinRM shell for hacking and pentesting Windows hosts using the native WinRM protocolEvinceDocument viewer for GNOME supporting PDF, PostScript, and moreExcalidrawVirtual collaborative whiteboard tool. Hand-drawn style sketching, diagrams, and wireframes — all in the browserExcalidraw (self-host)Virtual whiteboard for sketching hand-drawn diagramsexifCommand-line utility to display EXIF metadata such as camera settings and GPS in JPEG filesEXIF Metadata RemoverView and remove EXIF metadata from images. Strip GPS coordinates, camera info, and other hidden data — all in your browsExif ToolRead, write, and edit metadata in a huge range of file formatsExodusMulti-crypto software wallet with a built-in exchange and portfolio trackingExpediaTravel booking site for flights, hotels, car rentals, and vacation packagesEye WitnessWebscreenshot tool for reconnaissance that captures screenshots of multiple websites for analysisFabricMobile-first term life insurance and family financial planning appFabulousBuild healthy habits with science-based coachingFake Name GeneratorGenerates realistic fake names, addresses, and personal details for any countryFake Name GeneratorGenerate random names, addresses, and personal detailsFakerGenerate massive amounts of fake but realistic data in many languagesFamily EchoFree online family tree maker with simple visual editing and relationship toolsFamily SearchFree genealogy records and family tree builderFandom GamingCommunity wikis for games and entertainmentFashion ToolsConvert clothing sizes and measurements across brandsFathom AnalyticsSimple, privacy-friendly website analytics without cookie consent bannersFax ZeroSend free online faxes. No account needed, simple form-based faxingFCEUXNintendo Entertainment System emulator for Windows and LinuxFeather IconsMinimal, beautifully crafted open-source icons with a simple SVG APIFeed HiveAI-powered social media scheduler with automation and analytics featuresFeedbinSimple and fast RSS reader web app with a clean reading interfaceFeedlyOrganize, read, and share the feeds you care aboutFeroxbusterFast, simple, recursive content discovery tool written in RustFessOpen-source enterprise search server for full-text search over documents and websitesFetch by The DodoPet care app with vet telehealth, medications, and food delivery servicesFFmpegThe ultimate open-source toolkit for recording, converting, and streaming audio and videoFFmpeg wasmRun FFmpeg in your browser with WebAssembly, no server neededFFmpeg Web CLIBrowser-based video editor powered by ffmpeg.wasm. Convert, trim, compress, and add effectsFFUFFast web fuzzer that discovers directories, files, virtual hosts, and parameters on web serversFigmaBrowser-based collaborative interface design tool for teams and designersFile ConverterFile Converter: Privacy-first file converter. Runs 100% in your browser. No uploads, no server. PDF, HEIC, WebP, SVG conFile RunSelf-hosted file manager and sharing platform for web and mobileFile ZillaFast, reliable cross-platform FTP, SFTP, and FTPS clientFilelab Audio EditorAudio editor with trim, merge, cut, and basic effects. Files processed in browserFind a GraveSearch graves and memorial recordsFind LawFree legal research and lawyer directory with case law and legal answersFire ShotBrowser extension that captures, annotates, and edits full-page screenshotsFireflySelf-hosted personal finance managerFirefly IIIModern financial manager. Track money and make budget forecastsFirefox Developer EditionFirefox browser tuned for web development with unique dev toolsFirefox SendEncrypted file sharing. Self-destructing downloads with password protectionFit NotesSimple, elegant workout logging app for tracking gym sessionsFitbodAI-powered workout planner that builds sessions around your goalsFivetranAutomated data pipelines to centralize your dataFix-It ClubFree home repair and maintenance guidesFL StudioPopular digital audio workstation for beatmaking, recording, and live performanceFL StudioFull-featured music production softwareFlaming TextOnline logo and name generator. Customize text with effects and downloadFLARE VMWindows-based virtual machine distribution for malware analysis maintained by MandiantFlarumDelightfully simple forumsFlaticonLargest search engine for free icons. SVG, PNG, and icon fontsFlatrisModern, fast, collaborative diagramming tool. Flowcharts, UML, ERD, and network diagrams in browserFlex JobsHand-screened remote, hybrid, and flexible job listingsFlickrPhoto sharing community with albums and creative commons searchFlipboardCurated news app that aggregates stories into personalized digital magazinesFlipdApp that fully locks distracting apps and helps students stay focused while studyingFloorplannerCreate professional floor plans online with drag and dropFloraGamified focus timer that grows a virtual tree as you stay away from your phoneFlow CVFree resume builder with a focus on clean design and instant PDF exportFlowbladeMulti-track non-linear video editor for LinuxFlowiseDrag-and-drop UI to build customized LLM automation flows and chatbotsFOCATool to analyze metadata in documents to discover hidden informationFocalboardOpen-source, self-hosted alternative to Trello, Notion, and AsanaFocus@WillScience-based music and audio designed to improve focusFoliumPython library for building interactive Leaflet maps from dataFollow Up ThenEmail reminders. Send yourself a reminder at any future timeFont AwesomeThe web's most popular icon library with thousands of free scalable iconsFont DropDrop any font file to inspect its metadata, glyphs, and rendering in the browserFont PairHand-picked Google Font pairings to help designers choose typefaces that work togetherFont SquirrelCurated collection of high-quality, commercially licensed free fonts with a kit generatorFontsourceSelf-host open-source fonts as npm packages with automatic subsetting and updatingFood52Recipes, kitchen tools, and a vibrant home-cooking communityFooocusMinimal, powerful AI image generator with an intuitive interfaceForemostConsole program to recover deleted files by carving disk images based on file headers and footersForestStay focused by growing a virtual treeForest FocusStay focused by planting virtual treesForgejoCommunity-focused, self-hosted software forge for GitFork LiftAdvanced file manager and FTP/SFTP client for MacForm BackendReceive form submissions by email without a serverForm CraftWordPress form builder plugin with drag-and-dropForm SparkHost form submissions for static sites with a simple APIFormspreeAdd contact forms to any static site without a server. Just submit and get emailsFotorOnline photo editor and design maker with filters, effects, and AI toolsFoxit PDF ReaderPopular PDF reader with annotation and form fillingFraction to Decimal ConverterConvert fractions to decimals and decimals to fractionsFree CADOpen-source parametric 3D modeler for mechanical engineering and product designFree CADOpen-source parametric 3D modeler for engineering and product designFree CADOpen-source parametric 3D CAD modelerFree Dieting CalculatorsCalorie, BMI, BMR, and macro calculators to plan nutrition and track weight goalsFree File SyncFolder comparison and synchronization toolFree ImagesFree stock photo library with commercial-use images across many categoriesFree Tools siteFree online tools. Convert and edit documents, images, audio, video, and moreFreedcampFree project management suite with tasks, files, calendars, and discussion boardsFreedomBlock distracting apps and websites across devicesFreeleticsAI-powered bodyweight and gym training app with personalized workout plansFreepdfmergeA free tool to merge PDF files online. freePDFMerge is a free, open-source web tool that lets users merge selected pagesFreqtradeFree, open-source crypto trading bot with strategy backtestingFresh BooksCloud accounting software for small businesses with invoicing and expense trackingFresh RSSSelf-hostable RSS aggregator with a clean, mobile-friendly interfaceFridaDynamic instrumentation toolkit for developers and reverse engineers on Android, iOS, and desktopFrigateNetwork video recorder with real-time AI object detectionFRRoutingFree and open-source internet routing protocol suiteFuel Cost CalculatorEstimate fuel used, trip cost, and cost per kilometer for any journeyFun BrainFree educational games, books, and comics for kids in grades pre-K through 8fzfGeneral-purpose command-line fuzzy finderg PodderOpen-source podcast client and subscription managerg RPCHigh-performance open-source universal RPC frameworkGallery ProjectOpen-source web-based photo album organizerGame HubUnified game launcher for all your gaming platformsGamepad TesterFree browser-based tool to test gamepad buttons, triggers, and analog sticksGarden AnswersFree plant identification app and community for troubleshooting gardening problemsGarden PlannerDesign and plan your vegetable garden layoutGardena Garden PlannerPlan your garden with an online layout toolGardenia netComprehensive plant encyclopedia and garden design ideas for home gardenersGarmin ConnectSync and analyze Garmin fitness and activity dataGatherVideo chat platform built for remote teams with virtual spacesGatsbyBlazing-fast site generator for React with a rich plugin ecosystemgauGet All URLs - fetches known URLs for a domain from public web archives like the Wayback MachineGDALOpen-source translator library for raster and vector geospatial data formatsGe Force NOWStream PC games from the cloud across almost any deviceGeniOnline family tree and genealogy collaboration site with a unified tree projectGeo GebraInteractive geometry, algebra, statistics, and calculus app for learning and teaching mathGeo PandasOpen-source Python library extending pandas for working with geospatial dataGeo ServerOpen-source server for sharing, editing, and analyzing geospatial datageojson ioQuick, simple tool for creating, viewing, and sharing GeoJSON maps. Edit geometry directly on the mapGeometry CalculatorSolve area, volume, and angle problemsGeometry ToolInteractive geometry sheet. Draw, measure, and explore geometric shapesGet ARoom ioVideo conference online with mobile support. Click start and share the linkGethOfficial Go implementation of the Ethereum protocolGetty ImagesPremium stock photography agency and visual content marketplaceGhidraNSA's software reverse engineering framework with disassembly and decompilationGhostJust a blogging platform. The creator economy's favoriteGhostfolioWealth management software to track stocks, ETFs and cryptocurrenciesGhostscriptInterpreter for PostScript and PDF used for conversion and manipulationGidd ioCollection of classic multiplayer games. UNO, Yatzy, Scattergories, GeoGuessGif DeckConvert SlideShare presentations to animated GIFs. Download and shareGigablastOpen-source search engine and web index project with its own crawler and indexGIMPFree and open-source image editor for photo retouching and designGingerGrammar checker and paraphrasing for better writingGIPHYSearch and create GIFs for every occasionGitFree and open-source distributed version control system for tracking code changesGit Hub CLIWork with GitHub from the command line: issues, PRs, and releasesGit Hub CodespacesDevelopment environments hosted in the cloudGit Hub mdSimple GitHub-style Markdown preview with print featureGit LabComplete DevOps platform for the entire software lifecycleGiteaPainless, self-hosted Git service for code hosting and collaborationGitleaksScan git repos for secrets, passwords, and API keys that were accidentally committedGitpodAutomated, ready-to-code development environmentsGlassdoorSalaries, company reviews, and job listingsGlassdoorCompany reviews, salaries, and job listingsGlosbeOnline dictionary with translations and examples in 1000+ languagesGmailGoogle's free email service with powerful search, spam filters, and 15GB of storageGnu CashFree, open-source personal finance software with double-entry accountingGNU OcradGNU's optical character recognition program that reads text from imagesGNU OctaveHigh-level language for numerical computation, largely compatible with MATLABGnu PGComplete implementation of the OpenPGP standard for encrypting and signingGo AccessReal-time open-source web log analyzer that works directly in the terminalGo PhishPhishing simulation toolkit for security awareness training. Track who clicks and reportsGo TeamVideo meeting rooms. Create any room like goteam.video/room-nameGo WitnessWeb screenshot utility that uses Chrome headless to capture screenshots of websites at scale for reconGoat CounterEasy web statistics without tracking of personal dataGobusterTool to brute-force URIs, DNS subdomains, virtual host names, and open bucketsGOCRSimple, fast open-source OCR that converts scanned images to plain textGodot EngineFeature-packed, open-source game engine for 2D and 3D gamesGOG GalaxyOptional game client that unifies your libraries across GOG, Steam, and other storesGolden CheetahOpen-source performance software for cyclists with power analysisGood RxCompare prescription drug prices and find discounts at pharmacies nearbyGoodreadsBook cataloging and social network for readers with reviews and recommendationsGoogle AnalyticsGoogle's free web analytics platform for understanding site traffic and behaviorGoogle Dorking (GHDB)Google Hacking Database (GHDB) of search queries used to uncover exposed information and vulnerabilitiesGoogle Earth3D virtual globe showing satellite imagery, maps, and terrain worldwideGoogle Earth EnginePlanetary-scale geospatial analysis of satellite imagery in your browserGoogle FitHealth tracking platform that consolidates activity, sleep, and heart data on AndroidGoogle FlightsSearch and compare flights worldwideGoogle FontsFree library of open-source font families with fast CDN delivery and CSS APIsGoogle FormsCreate and analyze surveys for free with Google FormsGoogle GeminiGoogle's multimodal AI assistant integrated across Google productsGoogle MapsWorldwide mapping, navigation, and location servicesGoogle Maps PlatformGoogle's mapping, routing, and location APIsGoogle MeetSecure video meetings for teams, businesses, and classroomsGoogle NewsAutomated news aggregator that collects headlines from sources worldwideGoogle ScholarFree web search for scholarly literature including articles, theses, and citationsGoogle Search ConsoleGoogle's free tool for monitoring site performance, indexing, and search queriesGoogle SkyExplore the universe in your browserGoogle TranslateTranslate text, speech, and images between 100+ languagesgopassOpen-source team password manager written in Go with git as the storage backendGotifySimple server for sending and receiving push notificationsGPA CalculatorCompute your semester or cumulative GPA from course grades and credit hoursGPT4AllChat with local LLMs on any computer without GPU. Private, offline, and freeGrabientBeautiful CSS gradient generator with copy-paste codeGrade CalculatorCalculate your current grade and what you need on the finalGradient PickerPowerful and beautiful gradient picker and CSS gradient generator. Gradient editor and parserGrafanaThe open observability platform for monitoring and analyticsGrafana LokiLike Prometheus but for logs, horizontally scalableGrammarlyAI writing assistant that checks grammar, spelling, and clarity in real timeGrampsOpen-source genealogy software for family treesGraph QLOpen-source query language and runtime for APIsGraphene OSPrivacy and security hardened mobile OSGraphi QLThe reference GraphQL IDE with query editing, schema documentation, and real-time autocompleteGraphvizOpen-source graph visualization software for structural diagramsGRASS GISOpen-source geographic information system for raster and vector processingGraylogOpen-source log management for collecting, indexing, and analyzing machine data in real timeGreenhouseHiring platform with structured interview kits, pipelines, and reportingGreenshotLightweight screenshot tool for Windows with annotations, OCR, and image uploadsGregAI-powered plant care app that identifies plants and creates watering schedulesGrey NoiseUnderstand internet background noise to focus on true threats, not bot noiseGridsomeOpen-source Jamstack framework that builds ultra-fast static websites with Vue.jsGROMACSHigh-performance molecular dynamics simulation package for biochemistryGroqUltra-fast LLM inference API with open modelsGround NewsPlatform that shows the same story from multiple sources with bias ratingsGrow VegPlan crops and companion planting with guidanceGruveoVideo conference online with custom URLs. Instant video calls in browserGStreamerOpen-source framework for building media-processing pipelines for audio and videoGTmetrixWebsite speed and performance analyzer. Page load details, waterfall, and recommendationsGustoPayroll, benefits, and HR for small businessGutenbergWordPress block editor for creating rich content layoutsHabiticaGamified habit and task tracker that turns your goals into an RPG adventureHabiticaGamify your habits and daily tasks with RPG mechanicsHack MDCollaborative real-time Markdown editor. Write docs together with previewHacker's KeyboardGenerate cron schedules and see next run timesHairstyle Try-OnTry on different hairstyles virtuallyHalal ScannerScan barcodes to check if food products are halalHand BrakeTool for converting video from nearly any format to modern, widely supported codecsHandshakeCareer platform connecting college students and graduates with employersHAPI FHIROpen-source implementation of the FHIR health data exchange standardHAPI FHIROpen-source Java implementation of the FHIR standard for healthcare interoperabilityHappy HuesCurated color palettes with real-world design examples. See colors in context, not just swatchesHash GeneratorGenerate SHA-256, SHA-512, and MD5 hashes using Web Crypto APIHashcatWorld's fastest password recovery tool. Recover lost passwords from hash files using CPU and GPUhashes orgPublic online hash database and cracking service for password hashes and hash listsHashnodeFree blogging platform for developersHat shEncrypt and decrypt files securely in your browser using XChaCha20-Poly1305 and Argon2idHave I Been PwnedCheck if your email or phone has been compromised in a data breachHave I Been PwnedCheck if your email or password has appeared in data breachesHaven LifeOnline term life insurance backed by MassMutual with instant quotes and applicationHavocModern and malleable post-exploitation command and control (C2) framework with a flexible agentHeadspaceGuided meditation and mindfulness exercisesHeadspaceGuided meditation and mindfulness for stress and sleepHealth SherpaEnroll in Affordable Care Act health plans with a streamlined comparison toolHedge DocReal-time collaborative markdown editorHeidi SQLLightweight Windows client for managing MySQL, MariaDB, SQL Server, and PostgreSQLHello TalkPractice languages with native speakers via text, voice, and live callsHelmThe package manager for Kubernetes, making it easy to install and manage appsHemingway EditorOnline editor that highlights long sentences, passive voice, and readability issuesHemingway EditorMake your writing bold and clear. Highlights complex sentences, passive voice, and readability issuesHERE We GoMaps, navigation, and transit directions appHeroic Games LauncherOpen-source launcher for Epic and GOG games on LinuxHeroiconsHand-crafted SVG icons by the Tailwind team for UI designHexoFast open-source blogging framework built on Node.js with a huge theme libraryHimalayasRemote job board for software engineersHiredMarketplace connecting software engineers and tech talent with vetted employersHoleheCheck if an email address is registered on websites and services without sending any emailsHome AssistantOpen source home automation platformHome AssistantOpen-source home automation platformHomesnapReal estate app that uses photos and maps to estimate home values and find listingsHomestylerOnline 3D home design tool with a furniture catalogHomewyseEstimate home renovation and maintenance costsHootsuiteManage all social channels from one dashboardHopperTravel app that predicts flight and hotel prices and books on your behalfHoppscotchOpen-source API development ecosystem. REST, GraphQL, WebSocket, SSE — test APIs directly in your browserHoppscotchLightweight, open-source API development tool in the browserHostelworldBook hostels and budget accommodation worldwideHourly to Salary ConverterConvert an hourly wage to weekly, bi-weekly, monthly, and annual salary instantly in your browserHousing comIndian real estate portal for buying, renting, and investing in propertiesHTML Entities ConverterEncode and decode HTML entities in text instantlyHTML MinifierMinify HTML, inline CSS, and JavaScript. Remove whitespace and commentsHTML to PDFClient-side HTML-to-PDF rendering using pure JavaScript. Uses html2canvas + jsPDF. Converts any webpage or element into HTML Tools Suite1,088+ pure front-end online tools. Single-file HTML, offline-ready, privacy-first. Covers Dev, Text, Time, Generators, html2canvasJavaScript library that screenshots DOM elements and turns them into canvas imagesHtml5 Video ChatHtml5 Video Chat: Peer to Peer html5 webrtc video chat. No server requiredHTTP Status CodesDirectory of HTTP status codes with explanations, examples, and references for every response codehttpbinHTTP request and response service for testing and debugging APIshttpxMultipurpose HTTP toolkit for fast probing and scanning of HTTP services to reveal status codes, technologies and endpoiHub Spot CRMFree CRM for tracking contacts, deals, and marketing pipelinesHugging Face HubShare, discover, and use machine learning models, datasets, and demosHugging Face HubRepository for sharing and using machine learning modelsHugging Face TransformersState-of-the-art machine learning for text: translation, summarization, question answering, and generationHuginOpen-source panorama photo stitching tool with advanced control point editingHugoThe world's fastest static site generator written in GoHulyAll-in-one project management. Alternative to Linear, Jira, Slack, NotionHunter Email VerifierVerify email addresses and check deliverabilityHydraParallelized login cracker supporting 50+ protocols to audit password securityHydrogenAdvanced open-source drum machine for professional drum patternsHypersomniaCompetitive top-down shooter blending Counter-Strike with Hotline Miami. Runs on webi Love PDFFree PDF tools. Merge, split, compress, convert PDFs. OCR, watermark, and page numbersi Love PDFMerge, split, compress, and convert PDFs onlinei StockGetty's royalty-free stock photos, illustrations, and videos with credits plansi2OCRFree OCR tool to extract text from scanned PDFs and imagesIco MoonVector icon platform. Generate SVG, PNG, and icon fonts from icon setsIconfinderDownload icons in one place. Millions of SVG and PNG iconsIconifyUniversal icon framework that loads 150,000+ icons from 100+ icon sets on demandIcons8Free design resources. Icons, photos, UX illustrations, and musicIdeogramAI image generator known for accurate text rendering inside generated imagesIdeoneOnline IDE supporting 60+ programming languages. Compile and run codeiftopDisplay bandwidth usage on a network interface in real timeIFTTTConnect apps and devices with simple if-then automationsImage MagickCreate, edit, compose, or convert digital images from the command lineImage Metadata ViewerView hidden EXIF metadata in any image. See camera, GPS, and editing dataImg SafeImage hosting with small direct links. Upload and share images easilyImgflipFree online meme generator with templates and text toolsimgproxyFast and secure standalone server for resizing and processing imagesImmichPhoto and video backup from your mobile phone. Alternative to Google PhotosImpacketCollection of Python classes for working with network protocols, with attack and admin toolsImpressPresentation framework using CSS3 transforms. Create stunning 3D presentationsIn-The-Sky orgInteractive night sky guide with planet positions, eclipses, and events calendarsIndeedSearch millions of job listings worldwideInkscapeProfessional open-source vector graphics editor like IllustratorInoreaderPowerful RSS reader with search and automationInsight TimerFree guided meditations from teachers worldwideInsomniaOpen-source API client for REST, GraphQL, WebSockets, SSE, and gRPC. Design, debug, and test APIsInstapaperSave web pages to read later, distraction-freeInsurifyCompare insurance quotes online and get help buying policies that fit your needsIntegral CalculatorCompute definite and indefinite integrals with stepsIntel Techniques ToolsCurated suite of free online OSINT tools and searches used by investigatorsInteractive BrokersOnline brokerage platform with direct market access and advanced toolsInternet RadioListen to over 40,000 radio stations from around the worldIntervals icuDeep training analytics for athletesInterview WarmupGoogle's AI-powered interview practice toolinterviewing ioPlatform for practicing technical interviews anonymously with real interviewersInvidiousAlternative YouTube front-end. Privacy-respecting video streamingInvoice NinjaOpen-source invoicing, billing, and payments platform for freelancers and businessesInvoice NinjaOpen-source invoicing, payments, and accounting for freelancers and small businessInvoicelyFree invoicing and accounting for small businessInvoke AIProfessional AI image generation studio with inpainting, outpainting, and a full node editorIP Subnet CalculatorCompute network, broadcast, usable host range, and subnet mask from any IPv4 CIDR block — entirely in your browseriperfMeasure maximum network bandwidth and performanceis gdLink shortener with custom URLs and open API. No tokens neededIs it up?Check if a website is down just for you or everyone. Quick uptime testIslamic FinderPrayer times, Qibla direction, and the Islamic calendarIT-ToolsCollection of handy online tools for developers. Encryption, conversion, web, images, and moreitalkiMarketplace connecting language learners with professional teachers and tutorsitch ioMarketplace and community for indie games and game jamsjadxDex to Java decompiler that produces readable Java source code from Android APKsJamendoFree music library with Creative Commons licensed tracks for creatorsJamiOpen-source distributed communication tool for messaging and calls without serversJanOpen-source ChatGPT alternative that runs entirely offline on your computer with local modelsJango RadioFree internet radio. Hundreds of genre stations or create your ownJava Script CompressorCompress and obfuscate JavaScript code. Reduce file size for productionJekyllSimple, blog-aware static site generator for personal sites and blogsJellyfinMedia server for audio, video, books, comics, and photos. Free alternative to PlexJenkinsOpen-source automation server for building, testing, and deploying softwareJiraPopular issue tracking and agile project management toolJitsi MeetFree, open-source video conferencing that works in your browser without installing anythingJobscanMatch your resume to job descriptions and get a scoreJohn the RipperFast password cracking tool for recovering weak passwords from hashesJoplinOpen-source note taking app with markdown editor and encryption. Syncs through Nextcloud. Alternative to EvernoteJot FormOnline form builder with templates and paymentsJotti Malware ScanFree online virus scanner. Check suspicious files against multiple antivirus enginesJourneyDigital journal with prompts and cloud syncjqLightweight, flexible command-line JSON processorjq PlayInteractive jq playground. Test and debug jq filters with live JSON output in your browserJS BinCollaborative web development and debugging tool. Live HTML/CSS/JS testingJSFiddleTest JavaScript, HTML, and CSS snippets onlineJSON CrackSeamlessly visualize your JSON data instantly into graphs. Clean, interactive tree and graph viewsJSON FormatterFormat, validate, and prettify JSON in your browser using native browser APIsJSON FormatterView JSON in human-readable form. Format, validate, and tree-viewJSON GeneratorCreate random JSON data based on templates and schemasJSON SchemaValidate data against JSON Schema specificationsJSON ServerGet a full fake REST API with zero coding in secondsJSON to CSV ConverterConvert JSON arrays to CSV formatJSON to YAML ConverterConvert between JSON and YAML data formats instantlyJSONLintValidate and format JSON with error highlightingjsonstore ioFree JSON API endpoints for small projects. POST, GET, PUT, DELETEJSPaintReplica of classic MS Paint in the browser. Open source and works offlineJSZipCreate, read, and extract ZIP archives in the browser. Inspect and download files from ZIPs without uploadingJuliaHigh-level, high-performance dynamic programming language for technical computingJupyter LabWeb-based interactive development environment for notebooks, code, and dataJupyter NotebookCreate and share documents that contain live code, equations, visualizations, and narrative textJust HTMLs ToolsOpen-source HTML toolset. Format converters (JSON, CSV, YAML, XML), developer tools (formatters, JWT, UUID, regex), textJustiaFree legal research site with case law, codes, and a nationwide lawyer directoryJWT DecoderDecode JWT tokens to see header and payloadK2pdfoptOptimize PDFs for mobile devices by reflowing textK3sLightweight Kubernetes for production workloads on edge and IoT devicesk6Developer-focused, open-source load testing tool with scriptingKaboompicsCurated free stock photos and photoshoots for commercial use without attributionKaggleDatasets, competitions, and notebooks for data scienceKagi SearchAd-free, paid search engine with powerful operators and an independent indexKagi SummarizerSummarizes any URL, YouTube video, or PDF using the Kagi universal summarizerKahoot!Game-based learning platform for creating and playing quiz games in class or remotelyKanboardSimple visual task board for project managementKandoCross-platform pie menu launcher for quick access to toolsKapwingFree online video editor with subtitles, trimming, and templatesKatanaCrawler designed for security testing that discovers endpoints and sensitive data on websitesKavitaCross-platform e-book/manga/comic/pdf server and web readerKayakSearch flights, hotels, and rental carsKdenliveOpen-source non-linear video editor for Linux, Windows, and macOSKee PassFree, open-source password manager that stores everything in an encrypted local databaseKee Pass XCFree, open-source, offline-first password managerKeep FormulaSimple app to make calculations easier. Store and reuse formulasKeeperCybersecurity password manager for individuals and teamsKeetFree social media scheduling and analytics toolKekaOpen-source file archiver for macOS with many formatsKepler glPowerful open-source geospatial analysis toolKepler glPowerful open-source geospatial analysis and visualization tool for large datasetsKepler gl AstronomyVisualize spatial and astronomy dataKhan AcademyFree world-class math education with practice exercises and videosKhan Academy KidsFree educational app for kids ages 2-8Khan Academy MathFree world-class math lessons and practiceKi CadOpen-source electronics design automation suite for schematic and PCB designKickresumeResume and cover letter builder with professional templates and AI writingKlekiPaint tool in your browser. Layers, filters, blending modes, and tablet supportKNIMEOpen-source analytics platform for data science workflows with a visual editorKobold AILocal AI story-writing client with freeform text generation and roleplay supportKobold CppSimple, one-file way to run GGUF LLMs with a persistent story-telling and chat interfaceKodiMultimedia center, formerly XBMC. Runs on Android, BSD, Linux, macOS, iOS, WindowsKoelPersonal music streaming serverKomgaMedia server for comics/mangas/BDs with API and OPDS supportKopiaFast and secure open-source backup/restore toolKraken OCROCR engine designed for old, multilingual texts with model training supportKresusSelf-hosted personal finance manager that aggregates bank accountsKritaFree professional digital painting program for artistsKrokiCreates diagrams from textual descriptions. Supports Mermaid, PlantUML, GraphViz, and 20+ formatsKStarsOpen-source planetarium program with an accurate night-sky simulation for KDEkubectlCommand-line tool for controlling Kubernetes clustersKubernetesAutomate deployment, scaling, and management of containerized applicationsL'Oréal Virtual Try-OnTry on L'Oréal Paris makeup looks with real-time augmented reality in your browserLambda TestCloud platform for automated and manual cross-browser testing on 3000+ browsersLang ChainBuild applications powered by language models. Chains, agents, memory, and tool integrationsLangflowLow-code builder for LLM apps and agents with a visual workflow editorLanguage ToolOpen-source proofreading software that checks grammar, style, and spelling in many languagesLast PassPopular password manager with browser extensionsLaterVisual Instagram scheduling and analyticsLaterVisual content planner and scheduler for Instagram and other networksLaw DepotOnline library of customizable legal forms, contracts, and agreementsLazy DockerSimple terminal UI for both docker and docker-composeLazy GitSimple terminal UI for git commands with a friendly interfaceLeafletThe leading open-source JavaScript library for mobile-friendly interactive mapsLeagleSearch court opinions and legal decisionsLeakscopeAn all-in-one Shodan & ZoomEye supported tool to search, browse, preview and dump data leakage across 20+ services. PullLean Logo MakerGenerate hundreds of logos. Pick your favorite and download covers and profilesLeantimeOpen-source project management for non-project managers with to-dos and goalsLedgerPowerful, simple double-entry accounting system from the command lineLedger LiveDesktop and mobile app for managing hardware wallet assetsLegacy Family TreeFull-featured Windows family history software with charts, reports, and web pagesLegal ZoomOnline legal documents, business formation, and attorney servicesLemmyLink aggregator for the fediverse. Alternative to RedditLemonadeDigital insurance company offering renters and homeowners coverage via mobile appLeoSimple e-signatures for contracts and agreementsLeonardo AIAI art generation platform for creating images, game assets, and concept artLess PassGenerate strong passwords without storing them, using a master keyLet Me Google ThatCreate a link showing someone how to Google their questionLetterboxdSocial network for film lovers to rate, review, and keep a diary of movieslevels fyiCompensation and career level data for tech companies worldwideLeverApplicant tracking system that unifies recruiting pipeline and hiring workflowLibre CADOpen-source 2D CAD application for drafting and technical drawingLibre HealthOpen-source health IT platform with EHR and radiology toolsLibre OfficeFree, powerful office suite with word processor, spreadsheets, and PDF editingLibre SpeedSelf-hosted HTML5 speed test with no ads and no trackingLibre TranslateFree, open-source machine translation API that can be self-hosted with a simple web interfacelibvipsFast, low-memory image processing libraryLichessFree online chess server. Play chess against others or AI, ad-free and open sourceLighthouseOpen-source, automated tool for improving web page qualityLinearIssue tracking for product teams with keyboard-first workflowsLingodaLive online language classes with native speakers in small group settingsLingueeBilingual dictionary that searches translated sentences in contextLingva TranslatePrivacy-friendly alternative to Google Translate frontendLingvanexNeural machine translation API and instant text translatorLingvistAdaptive language learning with AILinked InProfessional networking platform for jobs and careersLinked In JobsSearch millions of jobs and connect directly with recruitersLinked In PreviewPreview how your resume appears to recruiters and get instant feedback on improvementsLinktreePut all your links in one bio pageLinphoneOpen-source VoIP and video calling app for desktop, mobile, and webListmonkSelf-hosted newsletter and mailing list manager with a modern UILive CodesFeature-rich client-side code playground for React, Vue, Svelte, Python, Go, Ruby, and 90+ languagesLlama FileRun LLMs as single executable files that work on most computers without installsLlama IndexData framework for connecting custom data sources to large language modelsLM StudioDiscover, download, and run local LLMs through a friendly desktop GUI. Chat, code, and test models entirely offlineLM StudioDesktop app to download and run open-source LLMs locally without codingLMMSFree, open-source digital audio workstation for making music on your computerLoan CalculatorCalculate monthly payments, total paid, and total interest for any loan with an instant in-browser amortization calculatLocal AIRun AI models locally and generate images and audioLocal AIFree, open-source, self-hosted OpenAI-compatible API that runs models locally, no GPU requiredLocal SendShare files between nearby devices without internetLocaltunnelExpose your localhost to the world with a public URLLogical DOCOpen-source document management platform with versioning and workflow automationLogo MakrLogo maker with SVG collection. Free PNG export, paid SVGLogseqPrivacy-first, open-source platform for knowledge management and collaborationLokaliseContinuous localization and translation management platform for dev teamsLokiHorizontally scalable log aggregation system inspired by PrometheusLoomRecord and share quick video messages for async team communicationLoop NetCommercial real estate listings for sale, lease, and investmentLorem IpsumGenerate placeholder Lorem Ipsum text for design mockupsLorem PicsumRandom placeholder images from Unsplash with a simple APILossless CutLossless trimming and cutting of video files without re-encodingLossless CutLossless cross-platform video and audio trimming and cutting toolLÖVELua-based game framework for making 2D gamesLucideCommunity-driven icon set with consistent strokes, available as SVG or web fontslucky BackupEasy-to-use rsync GUI for scheduling full and incremental backups on LinuxLudwigGame guides, databases, and toolsLuminBrowser-based PDF editor with signing, annotation, and e-signature workflowsLutrisOpen-source gaming platform for Linux with hundreds of gamesLycheeGreat looking and easy-to-use photo-management-systemLynisAudit Unix/Linux systems for security hardening gaps. Generates hardening recommendationsMaddyComposable all-in-one mail server written in GoMaigretCollect a dossier on a person by username from thousands of sitesMail HogLocal email testing tool that captures outgoing email for development and testingMail PoetOpen-source email marketing plugin for WordPress with newslettersMailcowSelf-hosted email server suite with a modern web UIMailer LiteAffordable email marketing with automationsMailinatorDisposable email service. Create temporary inboxes for testing and privacyMailpitMulti-platform email testing tool that provides a web UI to view captured emailsMailtrapEmail sandbox for testing emails safely in developmentMakeVisual automation platform to connect apps and servicesMakeVisual automation platform (formerly Integromat) for connecting apps and workflowsMaltego CommunityVisual link analysis for OSINT. Map relationships between people, domains, email addresses, and infrastructureMAMEMultiple Arcade Machine Emulator for retro arcade gamesMancerDesign and order T-shirts from the browser. Export designs as PNGMangoolsBeginner-friendly SEO toolkit with keyword, link, and rank-tracking toolsManticore SearchA high-performance open-source search database descended from Sphinx Search. Supports full-text, autocomplete, faceting,Manticore SearchOpen-source database for full-text search and analytics, a fork of SphinxManuskriptOpen-source tool for planning and writing novelsMap My RunTrack and map your runs with training plansMapboxCustom maps and location services for developersMapillaryOpen street-level imagery platform from Meta for mapping and visual dataMapshaperEdit Shapefile, GeoJSON, TopoJSON and CSV files in the browser. Simplify, convert, and visualize geographic dataMargin NoteEbook reader and note-taking app with mind-mapping for deep studyMarginalia SearchIndependent search engine that indexes the old, text-based, non-commercial internetMarinara TimerCustomizable Pomodoro timer web app with tasks, checklists, and sound optionsMarkdown Live PreviewInstant Markdown preview. Type and see rendered output in real timeMarkdown PreviewWrite Markdown and preview HTML. Powered by the marked library (MIT)Markdown to HTML ConverterConvert Markdown to HTML and back with live previewMarkdownifyMinimal Markdown editor. Clean interface with live previewMartaFree file manager for macOS with split panesMasscanExtremely fast port scanner that can scan the entire internet in minutes by sending packets in parallelMastodonFederated microblogging server. Alternative to TwitterMataroaNaked blogging platform for minimalistsMatecatFree open-source computer-assisted translation tool for professional translatorsMathwaySolve math problems step-by-step from basic to calculusMATLAB OnlineRun MATLAB in the cloud to compute, visualize, and program from any browserMatomoWeb analytics that protects your data and your customers' privacyMatplotlibComprehensive library for creating static, animated, and interactive plots in PythonMatrix CalculatorPerform matrix operations: multiply, inverse, determinant, and moreMattermostSecure collaboration platform. Alternative to SlackMauticOpen-source marketing automation platform for email, landing pages, and lead managementMaximaComputer algebra system for symbolic and numerical computationMayan EDMSOpen-source electronic document management system with OCR and metadata modelsMaybePersonal finance and wealth management appMayo ClinicReliable symptom checker and health informationMeditation TimerSimple meditation timer. Set duration, interval bells, and ambient soundsMeditoFree, open-source meditation and mindfulness app with guided sessionsMeditoFree, open-source meditation appMediumOnline publishing platform for articles and storiesMedline PlusTrusted health information from the U.S. National Library of MedicineMedscapeMedical news, drug references, and clinical information for healthcare professionalsMeetupPlatform for organizing and finding professional, social, and interest groupsMeilisearchA fast, developer-friendly search engine with an HTTP API for typo-tolerant full-text, faceted, semantic, and hybrid seaMeister TaskKanban-based task management tool that is flexible and easy to use for teamsMeldOpen-source visual diff and merge tool for files and directoriesMemosPrivacy-first, lightweight note-taking service. Capture and share your great thoughtsMempool spaceOpen-source Bitcoin block explorer and mempool visualizerMemriseLearn vocabulary with spaced repetition and videosMendeleyReference manager and academic social network from Elsevier for researchersMermaidGenerate diagrams and flowcharts from markdown-like textMermaid Live EditorCreate diagrams and visualizations using Markdown-inspired text definitions. Flowcharts, sequence diagrams, class diagraMerriam-WebsterAmerica's most-trusted dictionary and thesaurusMeta MaskBrowser extension wallet for Ethereum and EVM chainsMeta TraderPopular forex and CFD trading platform with Expert Advisors and automated tradingMetabaseEasy way for everyone to ask questions and learn from dataMetagoofilExtract metadata from public documents found on a target domainMetalsmithExtremely simple, pluggable Node.js static site generator for blogs and docsMetasploit FrameworkPenetration testing framework with thousands of modules for exploitation, payloads, and post-exploitationMeteoblueHigh-resolution weather forecasts worldwideMethod DrawClean and feature-rich SVG editor. Draw, edit, and export to PNGMetricoolAnalytics, scheduling, and management for all major social networksMicro blogMinimalist blogging platform with a focus on short postsMicrosoft Auto GenFramework for building multi-agent AI applications with conversational agentsMicrosoft FormsCreate quizzes, polls, and surveys with automatic results and analytics in Office 365Microsoft TeamsChat, meetings, and collaboration for teamsMicrosoft TeamsChat, meetings, calls, and file collaboration in one workspaceMicrosoft TranslatorReal-time text and speech translation for apps, websites, and documentsMidjourneyGenerate stunning AI images from text promptsMimikatzWindows security tool that extracts plaintext passwords, hashes, PINs and Kerberos tickets from memoryMin IOHigh-performance, S3-compatible object storage for data lakes and AIMindustryFactorio-like tower defense game with production chains and complex facilitiesMinifluxMinimalist and opinionated RSS reader with a fast web interfaceMinikubeRuns a single-node Kubernetes cluster locally for development and testingMiroCollaborative online whiteboard platform for visual teamwork and brainstormingMISP Threat IntelligenceOpen source threat intelligence platform for storing, correlating, and sharing indicators of compromiseMistralFrench AI lab providing open-weight models and APIs for text generationmitmproxyInteractive HTTPS proxy for inspecting, modifying and replaying traffic between clients and serversMixin UiOpen source Angular tools designed to illuminate your UI journey ✨MixpanelProduct analytics platform for measuring user behavior and improving retentionMixxxFree, open-source DJ mixing software with real decks, effects, and controller supportMk DocsFast, simple static site generator for project documentationMKVTool NixSwiss-army knife for creating, inspecting, and splitting Matroska (MKV) video filesMob SFMobile Security Framework - automated all-in-one mobile app penetration testing and malware analysisMockarooGenerate realistic mock data for databases and testsMod SecurityOpen source web application firewall with a rules engine for blocking attacksModifaceAR beauty technology for virtual makeup, hair, and skincare try-on experiencesMojeekIndependent, crawler-based search engine that does not rely on Big Tech indexesMonaco EditorThe editor that powers VS Code, running in your browser. Syntax highlighting, IntelliSense, and diff viewMonday comWork operating system for teams and projectsMongo DBSource-available document database for modern applicationsMongo DB CompassGraphical tool for exploring, querying, and optimizing MongoDB dataMonsterSearch job listings and post resumes on a long-standing job boardMoodleOpen-source learning platform for courses, assessments, and online classroomsMoodnotesMood tracking app that helps you understand thought patterns and improve wellbeingMoon Phase CalculatorFind moon phases for any date and locationMoon TracksFree astrology ephemeris, chart calculators, and daily aspect tablesMoonlightOpen-source game streaming client that connects to GeForce Experience and Sunshine hostsMorsifyOnline Morse code translator. Convert text to Morse and Morse to textMortgage CalculatorEstimate your monthly mortgage payment, total interest, and total cost of a home loan — entirely in your browserMosquittoOpen-source MQTT message broker for IoT messagingMotion ArrayStock video, templates, music, and effectsMozSEO tools for keyword research, links, and auditsMP3 CutOnline audio cutter. Trim, fade, and edit audio files in your browsermpvOpen-source media player built on MPlayer and mplayer2 with a minimal interfaceMQTTXOpen-source cross-platform MQTT 5.0 client for testing IoT messagingMSD ManualsComprehensive, free medical reference for professionals and consumersMTRNetwork diagnostic tool combining traceroute and pingMu PDFLightweight PDF, XPS, and E-book viewer and toolkitMukiWebAudio chiptune and MIDI player with video game music collectionMulch CalculatorCalculate how much mulch, soil, or gravel you needMullvad VPNPrivacy-focused VPN with flat pricing and strong anonymityMult CloudManage multiple cloud services in one place. Transfer between Google Drive, Dropbox, and moreMumbleOpen-source low-latency voice chat software built for gaming and teamsMumbleFree, open-source, low-latency voice chat softwareMuse ScoreFree open-source music notation software for composing and scoringMushaf ProQuran study app with tajweed rules and tafsirMusic BrainzOpen music encyclopedia for collecting music metadata and releasesMusix HubPlay artists and albums video songs online. Powered by YouTubeMuxVideo API and platform for streaming and processingMwmblCrowdsourced, nonprofit search engine that indexes the web without ads or trackingMXToolboxDiagnostic tools for DNS, MX records, and email deliverabilityMy Fitness PalTrack calories and nutrition with a huge food databaseMy Fitness PalTrack food, exercise, and weight goalsMy HeritageBuild family trees and find relatives worldwideMy MemoryFree translation memory API and web interface with millions of bilingual segmentsMy Perfect ResumeResume builder with expert tips, templates, and an online cover letter creatorMy SQL WorkbenchOfficial visual database design and administration tool for MySQLMy Virtual HomeVirtual staging tool to furnish empty rooms with realistic furnitureMy Virtual MissionTurn virtual distance challenges into adventuresn8nExtendable workflow automation tool with native AI agent supportNaabuFast and reliable port scanner built for simplicity, with support for SYN, connect and UDP scansNanoalphaNanoalpha: Extract transparent PNG sprites from AI-generated images. Upload the same render on a light and dark backgrouNASA EyesVisualize planets, spacecraft, and the universeNational Geographic KidsFun facts, videos, and games for curious young learnersNational Weather ServiceOfficial U.S. weather forecasts, warnings, and dataNatronOpen-source node-based compositing application similar to Nuke for visual effectsNavidromeModern music server and streamer, compatible with SubsonicNeal funCollection of interesting browser experiments and games. Explore, play, and wonderNeon Text GeneratorGenerate neon-style text and signsNeovimHyperextensible Vim-based text editor with modern featuresNerd FontsFonts patched with hundreds of glyphs and icons for developers and terminal usersNerd Wallet Mortgage CalculatorEstimate mortgage payments and affordabilityNet ExecNetwork exploitation and post-exploitation tool (successor to CrackMapExec) for pentesting Active Directory networksNetdataReal-time performance monitoringNetflixStream movies and TV shows on demandNeumorphism ioCSS code generator for soft UI neumorphic design. Generate box-shadow, border-radius, and gradientsNews APIREST API for querying and retrieving live news headlines from over 150,000 sourcesNews BlurSocial news reader with original site renderingNextReact framework for production-grade websites and appsNextcloudSelf-hosted productivity platform for file sharing, collaboration, and syncNextcloud TalkSelf-hosted video conferencing and chat built into NextcloudNginxHigh-performance web server, reverse proxy, and load balancerngrokSecure tunnels to localhost for sharing and testing local serversNHS Symptom CheckerUK National Health Service symptom checker and adviceNi FiApache NiFi for automating data flows between systemsNiktoScan web servers for outdated software, dangerous files, and misconfigurationsNinja TraderTrading platform and broker with advanced charting and automationnloadMonitor network traffic and bandwidth usage in real timeNmapDiscover hosts and services on a network. Port scanning, OS detection, version detection, and scripting engineNoco DBOpen-source Airtable alternative for databasesNode BBForum software built for the modern webNode-REDLow-code programming for event-driven applications and IoT devicesNode-REDLow-code programming for event-driven IoT appsNominatimSearch OpenStreetMap data by name and address (geocoding)Nord PassSecure password manager from the NordVPN teamNotepad PWAOffline-capable Notepad progressive web app. Write and save without connectionNotionAll-in-one workspace for notes, docs, and moreNotionAll-in-one workspace for notes, docs, tasks, and databasesNotion BusinessRun projects, docs, and knowledge in one placeNotion for StudentsOrganize notes, assignments, and study plansNova AstrometryOpen-source astrometry.net service that identifies objects in star-field imagesNovel AIAI-assisted creative writing with customizationNovo ResumeCreate professional, ATS-friendly resumes with modern templates and live previewsntfySend push notifications to your phone or desktop via simple HTTPNtfySimple pub/sub notification service via HTTPNucleiFast, template-based vulnerability scanner that sends requests to targets and matches results against templatesNuclei TemplatesTemplated vulnerability scanner templates used with ProjectDiscovery Nuclei for fast, customisable scansNum PyFundamental package for scientific computing with PythonNumber Base ConverterConvert numbers between decimal, binary, octal, and hexadecimal systemsNumscriptProgramming language for financial ledgersNVDAFree, open-source screen reader for WindowsObj GenGenerate JSON, HTML, and code in real time from text syntaxobjectionRuntime mobile exploration toolkit powered by Frida for Android and iOS security testingOBS StudioFree, open-source software for video recording and live streamingOBS StudioOpen-source software for video recording and live streamingObsidianPowerful knowledge base on top of local markdown filesOcenaudioEasy-to-use cross-platform audio editor with real-time effects and spectral analysisOCR spaceFree OCR API and web app that extracts text from images and PDFs without signupOCRmy PDFAdd OCR text layer to PDF files, making them searchableOctopressOpen-source blogging framework built on Jekyll for elegant, Jekyll-powered blogsOdooOpen-source ERP and business apps covering CRM, sales, inventory, and accountingOEIS Integer SequencesThe On-Line Encyclopedia of Integer Sequences. Explore mathematical patternsOkularUniversal document viewer from KDE with annotation supportOliveOpen-source non-linear video editor with a powerful node-based effect systemOliveProfessional open-source non-linear video editor with a fast modern timelineOllamaRun large language models locally. Llama, DeepSeek, Phi, Gemma and moreOmni ToolsCollection of powerful web-based tools for coding, images, videos, PDFs, and numbersOne Rep Max CalculatorEstimate your one-rep max for strength lifts using standard formulas, and get training percentagesone secPrivacy-friendly app that adds a pause before opening distracting apps on your phoneOnetime SecretShare passwords and secrets that self-destruct after being viewed once. No account neededOngakuOnline anime music radio with desktop port. Stream anime soundtracksOnion BrowserTor-powered privacy browser for iOSOnline MetronomePractice with a precise online metronomeOnline OCRConvert scanned PDFs and images into editable Word, Excel, and Text formatsOnline Tone GeneratorGenerate test tones, beeps, and frequencies in your browserOnline Voice RecorderRecord voice and audio directly in your browserOnline-ConvertCollection of audio, video, image, document, ebook, and archive convertersOnly OfficeOpen-source office suite with word processor, spreadsheets, and presentationsONYPHECyber-defense search engine for internet-connected devices and servicesOpalScreen time management app that blocks distracting apps with scheduled focus sessionsOpen AI WhisperRobust open-source speech recognition model for transcription in 90+ languagesOpen API GeneratorGenerate clients, servers, and docs from OpenAPI specs for 40+ languagesOpen BBOpen-source investment research platform with market data and analysisOpen ColorOpen-source color scheme optimized for UI design. Ready-to-use palettes with accessibility in mindOpen CTIOpen-source platform to store, organize, and analyze threat intelligence and cyber observablesOpen CVThe world's largest computer vision library for real-time image and video processingOpen DocumentOpen standard file format for office documentsOpen DyslexicFont designed to reduce reading errors for dyslexiaOpen ed XOpen-source platform powering online courses at scale, used by edXOpen EMROpen-source electronic health records and medical practice management systemOpen EmuMulti-system video game emulator for macOS with a friendly UIOpen FitFree workout and fitness video library across many stylesOpen FOAMOpen-source computational fluid dynamicsOpen FOAMOpen-source computational fluid dynamics (CFD) simulation softwareopen HABVendor- and technology-agnostic home automation platformOpen Hardware MonitorMonitor temperature, fan speed, and voltages of your hardwareOpen KMOpen-source enterprise document management with metadata, workflows, and OCROpen LayersOpen-source JavaScript library for interactive maps in the browserOpen LibraryOpen, editable library catalog with millions of free ebooks and lendingOpen MRSOpen-source electronic medical records system for healthcare providersOpen PanelPrivacy-friendly, open-source web and product analyticsOpen ProjectOpen-source project management software with Gantt charts, agile boards, and time trackingOpen RefineFree tool for cleaning, transforming, and reconciling messy datasetsOpen ReplayOpen-source session replay for debugging and UX insightsOpen RouterUnified API gateway to run any LLM from a single endpoint with one billing accountOpen SCADOpen-source software for creating solid 3D CAD models with script-based designOpen ScaleOpen-source companion for Withings smart scales that graphs weight, BMI, and body compositionOpen SearchOpen-source search and analytics suite with a permissive licenseOpen ShotFree, open-source video editor for creating professional-looking videos easilyOpen SSLRobust toolkit for TLS, certificates, and general cryptographyOpen Street MapThe free, editable map of the world, built by a community of mappersOpen SubtitlesLarge open library of subtitles for movies and showsOpen TelemetryObservability framework and toolkit for creating and managing telemetry dataOpen Topo MapFree topographic maps with hiking trails and relief shadingOpen TTDOpen-source transport tycoon simulation gameOpen VAS / GreenboneFull vulnerability scanning and management suite. Scan networks for known CVEs and misconfigurationsOpen VPNOpen-source VPN solution for secure point-to-point connectionsOpen VPNOpen-source VPN software for secure encrypted connectionsOpen WeatherOpen weather data API with current, forecast, and historical dataOpen Weather MapCurrent weather, forecasts, and historical data APIOpen Web AnalyticsOpen-source web analytics framework with click tracking and heatmapsOpen Web UIUser-friendly AI interface. Supports Ollama and OpenAI APIOpen WorkoutFree open-source workout and exercise tracking across strength, cardio, and bodyweightOpen WrtOpen-source Linux-based firmware for routers and embedded devicesOpen XcomOpen-source reimplementation of the X-COM gamesOpen-MeteoOpen-source weather API with no API key required, for forecasts and historical dataOpenverseOpenly searchable catalog of 700+ million creative-licensed images and audioOPNsenseOpen-source firewall and routing platform with a web interfaceOpresumeOpresume: OpResume - A free, open-source, local-first, privacy-focused resume builderOrcaFree, open-source screen reader for GNOME on LinuxORCIDPersistent digital identifier for researchers and scholarsOSINT FrameworkWeb-based framework listing dozens of free OSINT tools by categoryOsintgramOSINT tool for Instagram that gathers user information such as followers, media and hashtags via CLIosquerySQL-powered operating system instrumentation and monitoring for Linux, macOS, and WindowsOutlineFast, collaborative knowledge base for teams using markdownOverleafOnline collaborative LaTeX editor for scientific writing with real-time previewOverpass TurboQuery OpenStreetMap data with the Overpass API in your browserOverwolfBuild and use in-game overlays and appsOWASP AmassIn-depth subdomain enumeration and attack surface mapping using passive and active techniquesOWASP ZAPAutomated security scanner for finding vulnerabilities in web applications. Proxy, fuzzer, and scanner in oneown CloudOpen-source file sync and share platform for your own infrastructureOwncastDecentralized single-user live video streaming and chat serverOysterGlobal employment platform for hiring and paying remote workers worldwidep FormCreate HTML forms visually. Download the corresponding codepa11yAutomated accessibility testing for your websitesPace CalculatorConvert run time and distance into pace and speed for training plans and race predictionsPACERPublic access to US federal court dockets, documents, and case filingsPack PointSmart packing list app that builds lists from your trip length and activitiesPacuAWS exploitation framework for offensive security testing and red teaming of AWS accountsPad MapperRental search tool that plots apartment listings on a map with filtersPaddle OCRPractical OCR toolkit supporting 80+ languages with detection and recognitionPadlocOpen-source, encrypted password managerPagefindA static-site search generator that builds a compact client-side search index at build time. Visitors search directly inPair DropPeer-to-peer file sharing. Transfer files between devices on the same networkPalettonDesign professional color schemes and palettesPandasFast, powerful, open-source data analysis and manipulation tool for PythonPandocUniversal document converter for markdown, HTML, PDF, and 50+ formatsPandoc TryTry Pandoc document conversion in your browser. Convert between Markdown, HTML, LaTeX, DOCX, and morePapagoNaver's AI translation service supporting 14 languagesPapeeriaLaTeX editor with PDF preview. Compile and download LaTeX documents in browserPaper ioMultiplayer territory game. Control your square and capture the arenaPaperformDesign-focused form and landing page builder that can accept payments and bookingsPaperless-ngxScan, index, and archive physical documentsPaperless-ngxScan, index, and archive all your paper documents. OCR, full-text searchPaprikaRecipe manager with meal planning and grocery listsPashwordDeterministic password generator that works offlinepassThe standard unix password manager, a simple shell script that uses GPG and gitpass (password store)The standard unix password manager with GPG and gitPassboltCollaborative password managerPassword BossBusiness password manager with encrypted sharing and user managementPassword GeneratorGenerate cryptographically random passwords using crypto.getRandomValues()Password GeneratorGenerate strong, random passwords of any lengthPassword Strength MeterScore any password instantly with an in-browser strength meter that shows entropy, weak patterns, and concrete tips to mPay ScaleSalary comparison and compensation research platform for job seekersPayload CMSDeveloper-first headless CMS and application frameworkPayloads All The ThingsPayloads All The Things - a large collection of payloads and bypasses for web application security testingPBS KIDSEducational games, videos, and activities for childrenPCSX2PlayStation 2 emulator for playing PS2 games on PCPDFPortable Document Format viewer built in HTML5 and JavaScriptPDF ↔ EPUBConvert PDF files to EPUB and EPUB to PDF. Ebook conversion in browserPDF CandyPDF tools to edit, convert, and manipulate PDF files onlinePDF CompressorCompress PDF files to reduce file size onlinePDF js ViewerMozilla's browser-based PDF renderer. View, search, and extract text from PDFs entirely in your browserPdf Mergea simple pdf merger running on browserPdf ToolkitPrivacy-first PDF toolkit for merging, splitting, and extracting text from PDFs entirely in the browserpdf-libCreate, modify, merge, split, and fill PDF documents in the browser. Zero server dependenciesPDF-XChange EditorFree PDF editor with annotation, OCR, and form filling capabilitiesPDF24Free PDF creator and toolkit with many featurespdfcpuOpen-source Go library and command-line tool for PDF processing and validationPDFescapeFree online PDF editor. Edit, annotate, fill forms, and create PDFs in browserPdffreely ComFree browser PDF merge, split, rotate, and organize toolPDFsamFree, open-source PDF splitter and merger for desktopPdftanglerPDFTangler is a fast, privacy-first PDF utility tool. It allows users to merge PDFs in a custom order and rearrange pagePea ZipFree file archiver utility for Windows and LinuxPeer TubeDecentralized video streaming platform using P2PPelicanOpen-source static site generator written in Python with Jinja2 templatingPercentage CalculatorQuickly calculate percentages: percent of a number, percent change, and morePercentage CalculatorCalculate percentages, percent increase, and percent decrease instantly in your browserPercentage Change CalculatorCalculate the percentage increase or decrease between two valuesPeriod TrackerTrack menstrual cycles and predict fertile windowsPerplexity AIAI-powered answer engine that cites its sources in real timePet MDPet health information and symptom checkerPetcubeInteractive pet cameras with treats, two-way audio, and vet telemedicinePetfinderFind adoptable pets near youPexelsFree stock photos and videos for commercial usePexelsFree stock photos and videos for commercial usepf SenseFree network firewall distribution based on FreeBSDpg AdminOpen-source administration and development platform for PostgreSQLPh ET SimulationsInteractive science and math simulations. Physics, chemistry, biology, earth sciencePhone InfogaAdvanced phone number information gathering and tracking across public databasesPhoto PrismPersonal photo management powered by Go and TensorFlow. Browse, organize, sharePhoto ViewSelf-hosted photo gallery with AI face recognitionPhotomathScan math problems with your camera to get step-by-step solutionsPhotopeaAdvanced free online photo editor compatible with Photoshop filesPhotopeaFree online photo editor supporting PSD, XCF, Sketch, XD and RAW formats. Like Photoshop in browserphp My AdminThe classic web-based administration tool for MySQL and MariaDBPi-holeDNS sinkhole that blocks ads and trackers across your entire network from one devicePi-holeBlock ads and trackers across your entire home network with a DNS-level ad blockerPicaHigh-quality image resize in the browser using Lanczos3 and WebWorkersPicture ThisAI plant identifier that recognizes plants and trees instantly from a photoPillowPython imaging library for opening, manipulating, and saving image filesPimsleurAudio-based language learning courses emphasizing speaking and recallPingdom Speed TestWebsite speed test with performance grades, load times, and recommendationsPinterestVisual discovery platform for saving ideas and planning across interestsPipe Flow CalculatorCalculate pipe flow, pressure, and friction lossPipedreamServerless integration platform for connecting APIs and appsPiskelFree online sprite editor and pixel art tool. Create animations and export as GIFPitiviOpen-source video editor for Linux built on GStreamer with a clean, simple UIPiwigoPhoto gallery software for the webPiwik PROConsent-focused analytics suite for privacy compliancePixabayOver a million free stock photos, vectors, and illustrations under Pixabay licensePixel CraftPixel art editor and animation creation tool. Open sourcePixelfedPrivacy-focused, federated image sharing platformPixelmatchThe fastest and smallest pixel-level image comparison library. Visual diff tool for UI testing and design QAPixlrFree online photo editor and design tool. AI-powered background removal, filters, and effectsPixlrFree browser-based photo editor with AI toolsPlaceholder ImageGenerate placeholder images for design and developmentPlaneTrack issues, epics, and product roadmaps. Alternative to JIRA and LinearPlanetSatellite imagery and analytics platform for monitoring changes on EarthPlankaRealtime kanban board for workgroupsPlanner5DCreate detailed 2D/3D home and interior designs with a huge furniture libraryPlant NetIdentify plants from a photoPlant TextGenerate UML diagrams from text. Sequence, class, use case, activity, and component diagramsPlant UMLGenerate UML diagrams from simple text descriptionsPlanterGarden planning app with companion planting data and visual garden layout toolsPlatform IOOpen-source ecosystem for embedded and IoT developmentPlatform IOOpen-source ecosystem for embedded and IoT development across many boardsPlausible AnalyticsSimple, lightweight and privacy-friendly web analyticsPlayniteGame library manager that unifies launchers into one clean interfacePlaywrightReliable browser automation for testing and web scrapingPlexOrganize your personal media library and stream it to any devicePlum VillageMeditations and guided practice rooted in Thich Nhat Hanh's teachingsPocketSave articles and videos to read later on any devicePocketSave articles and videos to read later on any devicePodbayListen to any podcast online. Individual episodes can be downloadedPodmanDaemonless container engine for developing, managing, and running OCI containersPoePlatform that gives access to many AI chatbots in one place, including custom botsPoeditDesktop translation editor for gettext catalogs and translation filesPointer PointerFinds the exact image where someone points at your cursorPolarsBlazingly fast in-memory DataFrame library written in Rust with a Python APIPolicygeniusCompare life, auto, and home insurance quotes from top providers in minutesPolish My WritingPaste text and get instant writing feedback. Grammar, style, and spelling checkPolotnoBrowser-based design and photo editor SDK for appsPolygon ioStock, option, and crypto market data APIsPomofocusSimple pomodoro timer with task management. 25-minute focus sessions with configurable breaksPomofocusSimple online pomodoro timer for focused studyPontoonMozilla's localization platform for translating softwarePopplerOpen-source PDF rendering library and tools used by most Linux PDF viewersPortfolio PerformanceFree, open-source tool to track and analyze your investment portfolioPost GISSpatial database extender for PostgreSQL with full GIS supportPost HogProduct analytics, session recording, feature flags and A/B testingPostalOpen-source, fully-featured mail delivery platform for sending and receiving emailPostg RESTTurn any PostgreSQL database into a RESTful APIPostgre SQLPowerful, open-source object-relational database system with decades of developmentPostizOpen-source social media scheduling and analytics platform you can self-hostPostmanThe most popular API platform for building, testing, and documenting HTTP APIsPower ConverterConvert watts, kilowatts, horsepower, and BTU/hourPower ToysMicrosoft's free utilities for power users, including PowerRenamePrank ToolsFun prank generators and fake messages to play on friendsPrayer TimesAccurate prayer times for any locationPregnancy Weight CalculatorTrack recommended weight gain during pregnancyPreplyOnline platform for 1-on-1 language lessons with tutors from around the worldPrepost SEOFree grammar check and writing tools suitePressure ConverterConvert pascals, bar, atm, psi, and mmHg instantlyPrettier PlaygroundTry Prettier online. Format your code with the opinionated code formatterPrint FriendlyConvert any webpage to clean printable format. Download as PDFPrivacy BrowserAndroid browser focused on privacy with no trackingPrivacy GuidesCurated privacy tools and guides vetted by the communityPrivate BinZero-knowledge encrypted pastebin. Share text with password protection and expirationPrivate GPTAsk questions over your private documents with a fully local LLM and embeddings stack. No data leaves your machinePro Writing AidAI writing assistant for grammar, style, and structureProdigy MathFantasy-inspired math game where kids solve problems to progress and level upProfit Margin CalculatorCalculate profit, profit margin, and markup from cost and selling priceProject GutenbergFree digital library of over 70,000 public-domain ebooks with downloadsPrometheusOpen-source systems monitoring and alerting toolkit with a powerful query languageProof HubAll-in-one project management tool with planning, collaboration, and proofingProseWriting app for Mac, iPad, and iPhoneProse AidAI grammar and style assistant for clean writingProtected TextEncrypted notes. No ads, sessions, or cookies. Password-protected and anonymousProton MailEncrypted email service that protects your communications with end-to-end encryptionProton PassOpen-source password manager from the Proton privacy suite with encrypted vaultsProton PassOpen-source password manager with end-to-end encryptionProton VPNFree and open-source VPN with strong encryption and a strict no-logs policyProtontricksSimple wrapper for Winetricks for Steam Proton gamesProwlarrIndexer manager for the PVR and media stackProwlerCIS benchmarks and security checks for AWS, Azure and GCP cloud environmentsPub MedFree database of biomedical literature from MEDLINE and life science journalsPublerSchedule posts across many social platformsPubliiOpen-source desktop CMS for building static blogs with a simple visual editorPubliiOpen-source desktop CMS for building static blogs with a simple visual editorPuppeteerOpen-source Node.js library for automating and controlling Chrome or ChromiumPuterWeb-based operating system. Feature-rich, fast, and extensiblePy TorchOpen-source machine learning framework for building and training neural networksPython TutorVisualize code execution. Step through Python, Java, JS, C, and C++ line by lineq BittorrentFast, lightweight open-source BitTorrent clientQalculate!Powerful multi-purpose cross-platform calculatorQCADOpen-source 2D CAD system with DXF and DWG support for architecture and engineeringQdrantHigh-performance vector similarity search engine and databaseQGISProfessional open-source geographic information systemQibla FinderFind the direction of the Kaaba from anywhereqpdfOpen-source command-line tool for encrypting, decrypting, and manipulating PDFsQR Code GeneratorGenerate QR codes for contact, WiFi, calendar, and moreQR Code GeneratorGenerate QR codes from text or URLs. Powered by the qrcode library (MIT)QR Code ScannerScan QR codes via camera or file. Download as SVG or PNG, works offlineQuant ConnectCloud platform for backtesting and live algorithmic trading across assetsQuant LibOpen-source library for quantitative finance modeling and pricingQuartoOpen-source scientific and technical publishing systemQuick BooksIntuit's accounting and bookkeeping suite for small and mid-sized businessesQuick DrawGoogle AI guesses your drawings. Neural network tries to identify doodles in 20 secondsQuickwitOpen-source cloud-native search engine for log management and analytics at scaleQuill BotAI paraphrasing tool that rewrites sentences to improve clarity and vocabularyQuill Bot SummarizerAI summarizer that condenses long articles into key points with adjustable lengthQuill Rich Text EditorModern WYSIWYG editor. Customizable, cross-platform, with rich APIQuivrOpen-source AI assistant that chats with your documents and personal dataQuizletStudy with flashcards, games, and learning toolsQuotewizardCompare auto, home, and life insurance quotes from multiple providersQuran APIOpen-source REST API serving the complete Quran in many languages and formatsQuran comRead the Quran online with translations and audioQuran comFree Quran reader and study tool with translations, audio, and searchQuran ExplorerListen to and read the Quran online with translations and multiple recitersQuran Word By WordWord-by-word Quran translation tool that breaks each verse into translated wordsR ProjectFree software environment for statistical computing and graphicsRadare2Unix-like reverse engineering framework and command-line toolset for binary analysisRadarrAutomatic movie downloading, sorting, and renamingRadio GardenExplore live radio stations worldwide by rotating the globeRadio GardenExplore live radio stations worldwide by rotating the globe. Thousands of stationsRadio GardenExplore live radio stations from around the world on a globeRain ViewerReal-time global precipitation radar mapRandom Name GeneratorGenerate random names for characters, projects, and moreRANDOM ORGTrue random number generator, dice rolls, password generator, and moreRandommerRandom data generator and validator. Names, addresses, codes, and moreRank MathAdvanced WordPress SEO plugin with schema, sitemaps, and content optimizationRaw TherapeeCross-platform raw photo editor for processing high-quality imagesRay soCreate beautiful images of your code. Syntax highlighting, themes, backgrounds, and padding controlsrcloneSync files to and from cloud storage with 70+ providers, encrypted and fastrclone cryptAdd client-side encryption to any cloud storage with rclonerdfindFind duplicate files across directories by contentRe DocGenerates beautiful, three-panel OpenAPI documentation from a single spec fileRead AloudBrowser extension that reads web pages aloudReadability ScoreCalculate Flesch-Kincaid, Gunning Fog, SMOG, and other readability scores for your textReadableCheck readability scores and improve your writing clarityReadwiseCollect highlights from books, articles, and podcastsRealtor comOfficial site for homes for sale and rentReaperAffordable professional DAW for recording, editing, and producing audioRECAPFree access to federal court documentsRecon-ngFull-featured reconnaissance framework with modules for DNS, WHOIS, subdomains, and social media intelligenceRecongptBrowser-based OSINT intelligence tool that thinks like a security researcher — AI-generated recon methodology, attack suRedashConnect, query, and visualize your data with an open-source BI toolRedfinFind homes and get real-time market dataRedisOpen-source, in-memory data structure store used as cache, message broker, and databaseRedis InsightOfficial GUI for Redis covering visual browsing, debugging, and performanceRedlibPrivate Reddit frontend that doesn't track you or require JavaScriptRedmineFlexible open-source project management web applicationReflow PDFBrowser-based PDF editor with structural content reflow and tagged PDF exportsReg ExrA browser-based regular-expression builder and tester for composing, debugging, and explaining patterns. Lets users searRegex TesterTest regular expressions and see matchesRegex101Interactive regex tester with explanation, debugger, and code generation. Supports PCRE2, Python, Go, JavaScriptRegulexJavaScript regular expression visualizer. See regex as flowchartsRem NoteNote-taking and spaced repetition app that turns your notes into flashcardsRembgRemove image backgrounds with AIRemem BearFriendly password manager from TunnelBear with auto-fill and breach protectionREMnuxREMnux Linux distribution for malware analysis and reverse engineering of malicious softwareRemote coRemote job board and work-from-home resources and guidesRemote OKRemote-friendly job board listing positions from companies hiring worldwideRemotiveCurated remote job board for tech and beyondremove bgRemove image backgrounds automatically with AIRen'PyVisual novel engine using simple scripting for interactive storiesReplicateRun open-source AI models with a cloud API — no GPU neededReplitOnline IDE for all popular languages. Code, run, and share instantlyReplitCollaborative in-browser IDE that runs code instantlyRescue TimeAutomatic time tracking and focus reportsResponderLLMNR, NBT-NS and MDNS poisoner used to grab credentials on local networks during penetration testsResponsivelyA developer browser for responsive web development. Preview your site on multiple devices simultaneouslyResticFast, secure, efficient backup programResumakeOpen-source, free resume generator that builds LaTeX-quality resumes in the browserResume CompanionGuided resume builder with recruiter-approved templates and cover letter toolsResume GeniusResume builder with expert tips, templates, and a matching cover letter builderResume ioProfessional resume builder with ATS-friendly templatesResume NationOpen source resume builder PWA. Works offline, multiple themes, PDF exportResume WordedFree AI-powered tool that scores your resume against top recruiters' criteriaRetirement CalculatorProject your retirement savings from today to your target retirement ageRetro ArchFrontend for emulators, game engines, and media playersRevealHTML presentation framework. Create beautiful slide decks with code, math, and mediaRevealHTML presentation framework. Create beautiful slide decks with code, math, and mediaReverso ContextContext-based translations with real-world usage examplesReziAI-powered resume builder focused on ATS-friendly and recruiter-approved formatsRGhostFile hosting service. Up to 100MB without login, direct linksRide with GPSGPS route planning and tracking for cyclists, runners, and outdoor athletesRobinhoodCommission-free stock and crypto trading app popular with retail investorsRobo FormPassword manager with form filling and syncRocket ChatOpen-source team communication platform with chat, video, and file sharingRocket ChatCommunications platform that puts data protection first. Alternative to SlackRocket LawyerCreate legal documents and get affordable legal advice onlineROI CalculatorCalculate return on investment, annualized return, and profitRoman Numeral ConverterConvert between decimal numbers and Roman numeralsRome2RioPlan multi-modal trips by plane, train, bus, and ferryRoof Truss CalculatorCalculate roof truss dimensions and loadsRoofstockMarketplace for buying and selling rented single-family homes onlineRoomsketcherEasy-to-use home design software for 2D/3D plansRoomstylerDesign rooms and arrange furniture with realistic 3D previewsRoot InsuranceUsage-based car insurance app that prices premiums from your actual drivingRootkit HunterScan systems for rootkits, backdoors, and local exploitsRoots MagicGenealogy database software for building family trees and producing reportsRosetta StoneImmersive language learning with lessons in dozens of languagesRotkiOpen-source portfolio tracker that keeps your financial data local and privateRoundcubeBrowser-based multilingual IMAP clientRoverFind pet sitters and dog walkersRPCS3Experimental PlayStation 3 emulator for Windows and LinuxRSS Feed SearchFind RSS feeds from search terms. Discover feeds for any topicRSSHubGenerate RSS feeds for anything on the web, from 600+ sourcesRun KeeperGPS running app that tracks pace, distance, and routes with guided workoutsRunalyzeAdvanced running analytics and training loadRunwayGenerative AI platform for video, images, and 3D from text promptsRust ScanFast port scanner written in Rust that finds open ports in seconds and pipes them into other toolsRWKVOpen-source language model combining RNN efficiency with transformer performanceS3ScannerFinds AWS S3 buckets and checks their permissions to identify publicly exposed bucketsSafepdfSafePDF - A secure, client-side PDF tool suite to merge, split, compress, and unlock PDFs directly in your browserSage MathFree open-source mathematics software combining many packages into a common interfaceSalary CalculatorLook up salary ranges for thousands of jobs and locations to negotiate with confidenceSales Price CalculatorCalculate the final price after applying a discount and sales taxSamsung HealthComprehensive health and wellness app with workout, sleep, and heart trackingSandpackLive coding environment component. Embed live-running code examples in documentation and blog postsSaplingAI writing assistant for customer support and business writingSavings CalculatorProject how your savings grow with monthly contributions and compound interest — see future value, contributions, and inSavings Goal CalculatorFind out how much to save each month to reach a savings goalSavvy TimeWorld clock and time zone converter with event planning and daylight saving infoScholarcyAI tool that summarizes research papers into short, structured summariesSci PyOpen-source software for mathematics, science, and engineering in PythonScientific CalculatorFull scientific calculator with trigonometric, logarithmic, and statistical functionsScientific Notation ConverterConvert numbers to and from scientific notationscikit-imagePython library of algorithms for image processing and analysisScikit-learnSimple and efficient tools for data mining and machine learning in PythonScilabOpen-source software for numerical computation providing a powerful computing environmentScout SuiteOpen-source multi-cloud security auditing tool for AWS, Azure, GCP and other cloud providersScr imShare your email address without spam. Protected email linksScratchMIT's free visual programming language where kids build games, stories, and animationsScreaming FrogWebsite crawler that audits technical SEO issues like broken links and redirectsScreenshot LayerAPI that captures full-page website screenshots at scale with URL parametersScribble MapsCreate custom Google maps. Draw, add markers, and share map viewsScribensPowerful free grammar and spelling checkerScribusOpen-source desktop publishing software for creating professional documentsScrivenerThe go-to app for writers of long-form textScumm VMReimplementation of classic point-and-click adventure game enginesSeafileOpen-source file sync, sharing, and collaboration platformSear XNGPrivacy-respecting metasearch engine you can self-hostSear XNGPrivacy-respecting metasearch engine that aggregates results from multiple providersSearch KitOpen-source React framework for building instant search experiences on ElasticsearchSearch SploitCommand-line search tool for the Exploit-DB archive to find exploits, shellcodes and papersSec ListsCollection of security-related wordlists for fuzzing, brute force, and discoverySejda PDF EditorOnline PDF editor. Merge, split, compress, edit, convert, and fill forms. No account needed for small filesSelect QuoteCompare life insurance quotes from multiple carriers with licensed advisorsSeleniumOpen-source framework for automating browsers for testing web applicationsSelf-Authoring SuiteWriting program to clarify your past, present, and futureSemrushAll-in-one SEO suite for keyword research, competitor analysis, and auditingSend VidSimple video hosting. Upload and share video linksSentryOpen-source error tracking and performance monitoringSEO AnalyzerAnalyze any website for SEO issues and opportunitiesSeobilityWebsite crawler and SEO audit tool that checks on-page and technical SEO issuesSerious EatsRecipes and food science explained through rigorous testingSerpstatSEO platform for keyword research, competitor intelligence, and backlink analysisSerumAdvanced wavetable synthesizer pluginSessionPrivacy-focused messenger that routes messages via onion routingShape ShiftInstant cryptocurrency conversion. Swap between assets without creating an accountSherlockFind usernames across social networks with a single searchSherlockFind usernames across 400+ social networks and platforms with a single queryShodanSearch engine for internet-connected devices and services. Find exposed servers, open ports, and industrial control systShoe Size ChartConvert shoe sizes between US, UK, EU, and CMShoe Size ConverterConvert shoe sizes between US, UK, EU, and CM scalesShotcutFree, open-source, cross-platform video editorShribSave a note to a custom URL and edit it later. No account, no cookiesShutterstockCommercial stock photo and video marketplace with millions of licensed assetsSi YuanPrivacy-first personal knowledge management softwareSide ChefGuided cooking app with step-by-step recipe instructions and smart kitchen integrationSignalPrivacy-focused messaging with end-to-end encryption for texts, calls, and mediaSignaturelyFree electronic signature tool for contractsSilly TavernFrontend interface for chatting with language models, with roleplay, group chats, and personasSilver BulletNote-taking application for people with a hacker mindset. Markdown-firstSimilar SitesFind websites similar to any URL. Discover alternatives and competitorsSimple HabitShort guided meditation sessions designed for busy schedules and stress reliefSimple LoginCreate email aliases to protect your real addressSimple X ChatPrivate and secure chat platform with E2E encryptionSite24x7 Speed TestFree website speed test from multiple global locationsSketch Up Free3D modeling tool for designing floor plans, furniture, and home layouts in the browserSketchpadCreate digital artwork. Export to JPEG, PNG, SVG, and PDFSkimPDF reader and note-taker for macOS with LaTeX supportSkin CarismaCheck ingredients and find skin-compatible productsSkin VisionSmartphone skin cancer detection tool that monitors skin spots over timeSkipfishActive web application security reconnaissance tool from GoogleSkribbl ioMultiplayer drawing and guessing game. One player draws, others guess the wordSky ChartFree open-source planetarium software showing the sky from any location and dateSky MapPoint your phone to identify stars and planetsSkypeChat, call, and video conference with anyoneSkyscannerCompare flights, hotels, and car rentalsSlackTeam messaging and collaboration for businessSlackPopular workplace messaging and collaboration platformSlackTeam messaging and collaboration hub with channels, direct messages, and appsSleep as AndroidSmart alarm clock and sleep tracker that analyzes sleep cyclesSleep CalculatorFind the best bedtime and wake time for complete sleep cyclesSliverImplant-based command and control framework that generates and controls payloads for red team operationsSmallpdfConvert, compress, merge, and edit PDFs with a simple online suiteSmart FinancialOnline marketplace that matches shoppers with insurance carriers for quotesSmart NewsMobile news app that surfaces top trending stories across many categoriesSmart RecruitersCloud-based applicant tracking system for sourcing and hiring candidatesSmartsheetWork management platform combining spreadsheets with project automation and dashboardsSmiling MindFree mindfulness and meditation programs designed for all agesSMMRYSimple tool that reduces any article to a short summary with important sentencesSnappy MailFast, simple, open-source webmail clientSnortOpen-source network intrusion detection system capable of real-time traffic analysisSnowplowBehavioral data platform for creating rich event pipelines from web and mobile appsSo XSwiss army knife of sound processing from the command lineSocial AnalyzerAPI and CLI for analyzing and finding a person's profile across 1000+ social networksSocial PilotAffordable social media scheduling and analytics tool for agencies and teamsSoda PDFPDF reader, editor, and converter with desktop and online versionsSolve CalcFree engineering and scientific calculatorsSonarrAutomatic TV show downloading, sorting, and renamingSongsterrInteractive guitar, bass, and drum tabs with playbackSonicA lightweight, schema-less search backend for indexing text associated with identifiers and retrieving matches with verySOPSEditor for encrypted files with AWS KMS, GCP KMS, and PGP supportSoundtrapCollaborative online music studioSourcehutPrivacy-focused, hackable software development platformSpace X Launch TrackerTrack upcoming and past space launchesSpark ChessPlay chess online against AI or other players. Multiple difficulty levelsSparrow WalletOpen-source Bitcoin wallet for desktop with hardware wallet support and privacy toolsSpeed ConverterConvert km/h, mph, knots, m/s, and other speed units instantlySpell CheckerCheck spelling and grammar of any text onlineSpider FootAutomate OSINT collection across 200+ modules: scan a target and correlate IPs, domains, emails, and social footprintsSpin🕸️ SpinWeb Browser - A full featured desktop application for OSINT, security, and extreme privacy. Next Generation FeatSplash LearnAdaptive math and reading program for kids with game-based learningSpleeterDeezer's open-source library for separating music into stemsSplitbeePrivacy-friendly product analytics and A/B testingspot DLDownload music from YouTube and convert to MP3 with tagsSpotifyStream millions of songs and podcastsSprout SocialSocial media management platform for scheduling, analytics, and engagementSQL FiddleTest SQL queries online. Share database schemas and test casesSQLiteSelf-contained, serverless, zero-configuration SQL database engineSQLite BrowserOpen-source visual tool for creating, designing, and editing SQLite databasesSQLmapAutomatically detect and exploit SQL injection flaws. Supports many databases and injection techniquesSQLPadWeb-based SQL editor for writing and running queries on databasesSquooshCompress and optimize images using best-in-class codecs. MozJPEG, WebP, AVIF, and moreSSL CheckerCheck SSL certificate details and expiration datesSSL LabsAnalyze SSL/TLS configuration of any web serverStable Diffusion Web UIBrowser interface for Stable Diffusion image generation with a huge extension ecosystemStack BlitzInstant, browser-based IDE for web developmentStack EditIn-browser Markdown editor with live preview, cloud sync, and offline support. Works with Google Drive, Dropbox, and GitStandard NotesSimple and private notes app. Protect your privacy while getting more doneStarfallPhonics and reading games for early learnersStartpagePrivate search engine powered by Google results without the trackingStartpagePrivate search engine with Google resultsStat CounterLightweight visitor analytics showing page views, referring sites, and keywordsStat TrekStatistics calculators for probability, distributions, and testsSteamDigital distribution platform for games and softwareSteam DeckPortable gaming handheld running a Linux-based SteamOSStellariumFree open-source planetarium for your computerSticky PasswordPassword manager with auto-fill, secure sharing, and local-only storage optionStirling PDFPowerful locally-hosted web app for PDF manipulation. Merge, split, rotate, compress, OCR, and 50+ PDF operations — all StitcherListen to podcasts online. Browse, play, and subscribe to showsStock SnapHigh-resolution stock photos released under the Creative Commons CC0 licenseStop Breathe ThinkMindfulness and meditation for emotional wellbeingStorybookUI component explorer and playground. Develop, test, and document components in isolationStrapiHeadless CMS to build powerful APIsStravaTrack runs, rides, and more with social fitness trackingStreaksBuild daily streaks for healthy habitsStreamaSelf-hosted Netflix-like media streaming serverStremioAll-in-one media center app that organizes movies, series, and live TV addonsstring isPrivacy-friendly online string toolkit for developersStripeOnline payment processing for businessesStrongMinimalist workout tracker built for strength training with a custom routine builderStrong SwanOpen-source IPsec-based VPN solution for LinuxStructured Data Testing ToolTest webpages for structured data and SEO markupStudio 3TProfessional GUI for MongoDB with query, aggregation, and data visualization toolsStumpFast, free and open source comics, manga and digital book serverSubfinderFast subdomain discovery tool that passively enumerates valid subdomains for a target using a wide range of OSINT sourceSublist3rEnumerates subdomains of websites using OSINT sources and search enginesSubstackPublishing platform for paid and free newslettersSudowriteAI writing assistant for fiction and creative workSumatra PDFLightweight, open-source PDF reader for WindowsSummarize BotAI-powered service that summarizes text, URLs, documents, and audio filesSun VoxPowerful modular synthesizer and tracker DAW for making music on any deviceSunnah comSearchable database of authentic hadith collections in multiple languagesSunrise Sunset CalculatorFind sunrise, sunset, and daylight hoursSunshineOpen-source self-hosted game stream host for the Moonlight client, low-latency and freeSupabaseOpen-source Firebase alternative with Postgres, auth, storage, and realtimeSuper BetterA game that builds personal resilience and optimismSuper CookFinds recipes you can make from the ingredients you already have at homeSuper ProductivityAdvanced todo list with timeboxing and time trackingSuperbetizeCategorize your grocery list automatically. Sort items into sectionsSupercookFind recipes using ingredients you already haveSurfer SEOAI content optimization for search rankingsSurge XTOpen-source hybrid synthesizer with a huge library of presets and flexible routingSuricataHigh performance network intrusion detection and prevention system with threat huntingSurviv io2D battle royale game. One life per game, no respawn, fight to the endSuryaDocument OCR toolkit for multilingual recognition and layout analysisSVG Path EditorOnline editor to create and manipulate SVG paths with live previewSVG-EditPowerful web-based SVG editor. Draw, edit, and export vector graphics in your browserSVGOMGSVG optimizer and cleaner. Reduce file size, remove unnecessary markup, preview changes liveSwagger EditorBrowser-based editor, validator, and previewer for OpenAPI 3.0 definitions. Design and document REST APIsSwagger UIInteractive UI for rendering and testing OpenAPI definitions in the browserSwagger UIGenerate interactive API documentation from OpenAPI specsSweet Home 3DFree interior design app for drawing floor plans and arranging furnitureSwetrixPrivacy-first web analytics with session replay and privacy controlsSwiss TransferSecure, free file transfer up to 50GB. No account, no tracking, Swiss privacySym PyPython library for symbolic mathematics with a full computer algebra systemSymbolabAdvanced math solver with step-by-step solutionsSyncthingContinuous, encrypted file synchronization between your own devicesSystem InformerSystem Informer (formerly Process Hacker) - a full-featured task manager and system monitor for WindowsTaazUpload a photo and preview thousands of hairstyles and makeup looks instantlyTabbySelf-hosted AI coding assistant with a GitHub Copilot compatible interfaceTabiaTabia: Open-source, browser-local chess opening trainer — drill your repertoire with spaced repetition. No account, no sTable ConvertConvert between CSV, JSON, SQL, Markdown, LaTeX, and Excel tables. Online table editorTable PlusModern native database GUI for managing MySQL, PostgreSQL, SQLite, and moreTabler IconsFree and open-source icon library with thousands of outlined and filled iconsTaigaOpen-source agile project management platform for scrum, kanban, and agile teamsTallySimple goal and habit tracking appTampermonkeyBrowser extension that runs userscripts to customize and automate web pagesTandemLanguage exchange app that pairs learners for conversation with native speakersTantivyFast, full-text search engine library inspired by LuceneTanzilAuthentic Quran text with multiple recitations, translations, and verse searchTaskadeCollaborative notes, task lists, and outlines. Sign up optionalTasmotaAlternative firmware for ESP8266/ESP32 devicesTastyQuick, easy recipes with step-by-step videosTax CalculatorEstimate income tax, deductions, and take-home pay for any salaryTax JarAutomated sales tax calculation and filingtcpdumpCommand-line packet analyzer for capturing and inspecting network traffic on a live interfaceTcpreplayReplay captured network traffic for testing IDS and security toolsTeam PassSelf-hosted password manager for teamsTeam SpeakLow-latency voice communication app widely used by gaming communitiesTeamworkProject management and client work platform with tasks, time, and billingTeedyLightweight open-source document management system with OCR and full-text searchTelegramCloud-based instant messaging with channels, bots, and groupsTelegram DesktopDesktop client for the Telegram messengerTelegraphMinimalist publishing tool. Rich text with instant preview. No account neededTemp MailDisposable temporary email addresses to avoid spamTemperature ConverterConvert between Celsius, Fahrenheit, and Kelvin with exact formulasTen Percent HappierMeditation app built on the book by Dan Harris with lessons from top teachersTenacityCommunity fork of Audacity for recording and editing audioTensor FlowEnd-to-end open-source platform for machine learningTerraformProvision and manage infrastructure as code across hundreds of providersTesseract OCROpen-source OCR engine for text recognition in 100+ languagesTest CafeEnd-to-end browser test runner that needs no WebDriver and works on any browserTest Grade CalculatorConvert a test score into a percentage and letter grade instantlyText Case ConverterConvert text to uppercase, lowercase, title, camel, snake, and kebab caseText CompareCompare two text documents side by side. Find differences instantly with inline highlightingText Diff CheckerCompare two texts and see changes. Powered by the jsdiff library (BSD-3-Clause)text-generation-webuiGradio web UI for running large language models locally with support for many backends and loadersText-to-DiagramTurn text descriptions into diagrams automaticallytextlintPluggable natural language linter for finding mistakes in textThe Battle for WesnothOpen-source turn-based tactical strategy game with high fantasy themethe HarvesterGather emails, subdomains, hosts, and employee names from public sources for reconnaissanceThe HiveScalable, open-source security incident response platform that integrates with MISPThe Old ReaderSimple RSS reader that syncs with Google ReaderThe PatternAstrology-based app that maps personal patterns and compatibility with othersThe Sleuth KitCommand line toolkit for examining disk images and recovering evidenceThe ZebraCompare car insurance quotes from over 200 providers in a single searchThesaurus comFind synonyms and antonyms instantlyThing SpeakOpen IoT platform for collecting, analyzing, and acting on sensor dataThingsElegant personal task manager for Mac, iPhone, iPad, and Apple WatchThings BoardOpen-source IoT platform for device management and dashboardsthinkorswimCharles Schwab's advanced trading platform with charting and options toolsThis Old HouseHome improvement advice, how-tos, and calculatorsThis Person Does Not ExistGenerate endless photorealistic faces of people who don't existThis X Does Not ExistAI-generated images of things that don't existThreeJavaScript 3D library. Create 3D graphics, animations, and visualizations in browserThumborOpen-source smart on-demand image cropping and resizing serverTidal Hi FiTIDAL desktop app with lossless and high-res audio streamingTiddly WikiReusable non-linear personal web notebook. Single-file wiki that runs in your browserTime and DateWorld clocks, calendars, countdowns, and date calculatorsTime ConverterConvert seconds, minutes, hours, days, weeks, months, and yearsTime isExact time for any city, any timezoneTime isDisplays the exact time in any time zone with milliseconds precisionTime isAccurate time and timezone info for any city in the worldTime PassagesAstrology software and app for natal charts, transits, and daily horoscopesTimeanddateCalendars, world clocks, countdowns, and date calculatorsTimeshiftSystem snapshot tool for Linux that restores the OS after updates or crashesTimezone ConverterConvert times across timezones instantly. Find meeting times and compare clocks worldwideTiny PNGSmart PNG and JPEG compression. Reduce file size without quality lossTiny Tiny RSSOpen-source, self-hosted web-based news feed readerTip CalculatorSplit tips and bills between friends instantly with per-person totalsTLDR ThisFree article summarizer that condenses web pages and long reads into TL;DRstldrawA tiny little drawing app. Whiteboard, canvas, and SDK for building infinite canvas experiencesTlk ioCreate a chat room with any URL. Instant group chat, no signup requiredtmateInstant terminal sharing for remote collaborationtmuxTerminal multiplexer for running multiple sessions in one windowTNGThe Next Generation of Genealogy Sitebuilding: host your family tree on your own siteToggl TrackSimple time tracking for teams and freelancersTomato TimerSimple web-based Pomodoro timer to break work into focused 25-minute intervalsTombManage encrypted storage folders with GnuPG on LinuxToolkit Mcp ServerToolkit Mcp Server: Generate random IDs, QR codes, and hashes, encode and decode values, and geolocate IPs, plus gated nToolkitsAll-in-one digital toolbox for daily use. Built with Next.js + React + TypeScript + Material Design. iOS, Android, DockeTor BrowserBrowser bundle that routes traffic through the Tor network to hide your identityTor BrowserAnonymize your browsing by routing traffic through the Tor networktota11yAccessibility visualization toolkit for quick checksTotpgenTOTPGen is a lightweight and open-source web tool developed with Vite, React, and shadcn/ui, designed specifically for dToxOpen-source peer-to-peer encrypted messaging and calling protocolTractiveGPS tracker for cats and dogs with live location and activity trackingTrade StationProfessional trading platform with powerful charting, scanning, and strategy toolsTrading ViewReal-time financial charts, market insights, and technical analysis toolsTraefikModern reverse proxy and load balancer with automatic service discoveryTrainer RoadStructured cycling training plans and workouts for indoor and outdoor ridingTrainerizeOnline personal training platform with workout builder, tracking, and client appTraining PeaksPlan, track, and analyze endurance trainingTransform ToolsPolyglot web converter. TypeScript/JavaScript, JSON Schema, GraphQL, and more in your browserTransifexLocalization platform for translating software, docs, and marketing contenttranslate-shellCommand-line translator powered by Google TranslateTransmissionLightweight, cross-platform BitTorrent clientTrelloVisual kanban boards for organizing projects and tasksTriangle CalculatorSolve triangles: angles, sides, area, and perimeterTrilium Next NotesCross-platform hierarchical note taking for building large personal knowledge basesTrinoFast distributed SQL query engine for big data and lakehouse analyticsTrinoDistributed SQL query engine for federating analytics across many data sourcesTrip ItTravel itinerary organizer that turns confirmation emails into a single trip planTripadvisorReviews and booking for hotels, restaurants, and attractionsTrivyComprehensive, fast scanner for vulnerabilities in container images, filesystems, and git reposTruliaHome listings, neighborhood data, and real estate insightsTrust WalletSelf-custody crypto wallet for 10M+ assetsTSharkCommand line version of Wireshark for scripting and automation of packet capture analysisTurfJavaScript library for advanced geospatial analysis and calculationsTutorials Point Online ToolsOnline terminals for Python, Octave, PowerShell, Redis, and IDEsTweet DeckPowerful dashboard for managing multiple Twitter accounts in real timeTwintAdvanced Twitter scraping and OSINT tool without using the APITwisted Wave OnlineBrowser-based audio editor. Edit, trim, normalize, and apply effects to audio filesTwitchLive-streaming platform for games, music, and moreType RacerTest your typing speed while racing against others. Improve WPM and accuracyTypeformBuild beautiful, conversational forms and surveys that people actually enjoy completingTypefullyDistraction-free composer for writing, scheduling, and publishing threadsTypesenseOpen-source, typo-tolerant search engine optimized for instant, in-memory searchTyping WebLearn touch-typing with interactive lessons. Track progress and improve speedTypstModern, fast typesetting system as a replacement for LaTeXu Block OriginOpen-source browser extension for efficient content filtering and ad blockingu Block OriginEfficient, open-source content blocker for Chromium and Firefox that blocks ads and trackersUber SuggestKeyword research and SEO tool from Neil Patel with search volume dataUglify JSJavaScript minifier and obfuscator. Compress and optimize JS codeUI ToolsOpen-source UI tools for designers and developers. Background gradients, SVG editor, shadow generator, clip-path tools, UlyssesFocused writing app for Mac, iPad, and iPhoneUmamiSimple, fast, privacy-focused alternative to Google AnalyticsUmamiSimple, fast, privacy-focused Google Analytics alternativeUnisonOpen-source file synchronization tool for two-way syncing across machinesUniswapDecentralized token exchange protocolUnit ConverterConvert length, weight, and volume units between metric and imperial instantlyUnsplashBeautiful, free photos contributed by a global communityUnsplashBeautiful, free photos for any projectUntil AMOnline music mixer and DJ software. Mix tracks in your browserUpscaylFree, open-source AI image upscaler for enlarging images with detailUpworkPlatform for finding freelance work and clientsUr BackupOpen-source client/server backup system with image and file backups for many platformsURL Encoder / DecoderURL-encode or decode text instantly in your browserURL ScannerScan URLs for safety and reputation before clickingUrlboxHeadless-browser screenshot API for generating images of any web page or URLUUID GeneratorGenerate RFC-compliant UUIDs instantly using crypto.randomUUID()UUID GeneratorGenerate random UUID v4 identifiers instantlyv LLMHigh-throughput, memory-efficient inference engine for large language modelsVAT CalculatorAdd or remove VAT from prices quickly for any rateVaultManage secrets and protect sensitive data with centralized encryptionVaultwardenLightweight Bitwarden server API implementation written in RustVCV RackVirtual modular synthesizer with a huge module libraryvectorbtPython library for fast vectorized backtesting and portfolio optimizationVEEDOnline video editing with subtitles, effects, and AIVelo ViewerDeep analytics and visualizations for Strava athletes, challenges, and heatmapsVelociraptorDigital forensics and incident response platform for collecting data from endpoints at scaleVelorenMultiplayer voxel RPG inspired by Cube World and MinecraftVentuskyLive interactive weather maps with 40+ layersVera CryptFree disk encryption software for on-the-fly encrypted volumesVespaOpen-source big-data serving and search engine for online applicationsVid CutterSimple tool for cutting and joining video clips quicklyVideo Link2Video conference online. Generate a link and share to invite participantsVideo ToolboxOnline video editor with common editing features. Size limited to 600MBVikunjaThe to-do app to organize your life. Self-hostable task managementVileoRecord your screen or webcam and download the video from within your browserVimHighly configurable text editor built for efficient text editingVim WikiPersonal wiki for Vim for organizing notes and knowledgeVirus TotalScan files, URLs, and domains against 70+ antivirus engines and threat intelligence feeds. Detect malware and phishing aVisual CVOnline CV and resume builder with templates, analytics, and export optionsVitalOpen-source spectral warping wavetable synthesizer with a flexible modulation systemVite PressVite-powered static site generator for documentation and blogsVLC Media PlayerFree and open-source multimedia player that plays almost any media fileVoicemeeterVirtual audio mixer for routing and mixing audio between apps and devicesVolatilityAnalyze RAM dumps to find malicious processes, injected code, and hidden artifactsVolatility 3Memory forensics framework for extracting artifacts such as processes, connections and hashes from RAM dumpsVrboVacation rental marketplace for booking homes, cabins, and villasVybe Intelligence VaultAn auto-updating open-source vault for AI agents, RAG systems, MCP servers, prompts, tools, templates, and next-generatiW3AFWeb application attack and audit framework with 200+ pluginsW3C CSS ValidatorValidate CSS stylesheets against W3C standardsW3C CSS ValidatorThe official W3C service that checks stylesheets against the CSS specificationW3C ValidatorCheck HTML and CSS markup against W3C standardsWAFW00FWeb application firewall fingerprinting tool that detects which WAF protects a given websiteWagOn-demand dog walking, sitting, and boarding servicesWagtailDjango CMS focused on flexibility and user experienceWalk ScoreMeasure walkability, transit, and bikeability of any addressWanderlogFree trip planner for building itineraries with maps, budgets, and collaborationWappalyzerBrowser extension and website analyzer that identifies technologies used on sitesWarpModern, Rust-based terminal for developersWater Intake CalculatorCalculate your daily water intake recommendationWater LlamaFun hydration tracking app with personalized goals, history, and cute llamasWaveFree accounting, invoicing, and receiptsWavesurferInteractive waveform renderer and audio player. Visualize, navigate, and interact with audio in the browserWaybackurlsFetch all known URLs for a domain from the Wayback Machine for recon and asset discoveryWazuhOpen-source security platform providing threat detection, log analysis, and endpoint monitoringWe KanOpen-source Trello-like kanban board you can self-hostWe VideoCloud-based video editor with templates, screen recording, and cloud storageWeather UndergroundHyperlocal weather data from personal weather stationsWeaviateOpen-source vector database for semantic search and AI applicationsWeb AIM ContrastCheck color contrast ratios for WCAG accessibilityWeb AIM Contrast CheckerCheck color contrast for WCAG complianceWeb Audio EditorBrowser-based audio editor. Trim, fade, normalize, and convert audio files without uploadingWeb CaptureConvert webpages to PDF, JPEG, ZIP. Just submit a link and get the fileWeb MDHealth information, symptom checker, and wellness toolsWeb Page TestRun real-browser website speed tests from locations worldwide with detailed waterfallsWeb Tools CollectionComprehensive web online tools for developers and programmers. CSS, JS, JSON, HTML formatters, encoding tools, regex tesWebdriver IOOpen-source test automation framework with WebDriver and DevTools protocol supportWebhook siteTest and inspect webhooks with a unique test URLWebhook siteInstant webhook testing. Get a unique URL, send requests, inspect payloads, and view headersWeblateContinuous localization platform for software and docsWebsite Image CompressorA browser-based tool that allows you to download and compress images from any website. Simply enter a website URL, and twebtreesOpen-source web app for collaborative genealogy, GEDCOM import, and reportingWee WXOpen-source software for reading weather station data and generating graphs and reportsWeek NumberFind the current week number and ISO week datesWekanOpen-source Trello-like kanbanWellfoundJob board for startup and tech roleswgerSelf-hosted workout, nutrition, and weight tracker with an APIWhat The FontIdentify fonts from images. Upload a screenshot and find matching typefacesWhat to ExpectPregnancy week-by-week and baby development toolsWhats AppFree messaging and calling app used worldwideWhats My NameUnified usernames enumeration across 300+ websitesWherebyVideo meetings in your browser. Create a room link and start talking in secondsWhimsicalVisual collaboration for flowcharts, wireframes, and mind mapsWhiskRecipe saving and meal planning app with smart grocery list generationWhistleGPS and activity tracker for dogs with location alerts and health monitoringWho Is Hosting ThisFind out who hosts any website. Enter a URL and see the hosting providerWho XYDomain owner, registrar, and WHOIS history lookup toolWhoogle SearchA self-hosted, ad-free web-search frontend that proxies and simplifies Google Search results in a privacy-focused browseWhoogle SearchSelf-hosted, ad-free Google search results without trackingWHOOPRecovery and strain tracking wearable for athletesWhooshFast, pure-Python full-text indexing and search libraryWiki TreeFree collaborative genealogy platform where users build one global family treeWikidata GenealogyStructured data for people and genealogyWikimedia CommonsFree media repository with millions of freely usable images, sounds, and videosWikipediaFree, collaborative encyclopedia written and maintained by volunteersWikipediaThe free encyclopedia anyone can editWin Dir StatVisualize disk usage and find large files on WindowsWin SCPOpen-source SFTP, SCP, and FTP client for WindowsWindfinderWind and weather forecasts for kitesurfing and sailingWindyInteractive weather maps with wind, temperature, and precipitation forecastsWineRun Windows applications on Linux, macOS, and BSDWireSecure messaging app with end-to-end encryption for teamsWire GuardExtremely simple, fast, modern VPN that aims to be the fastestWiresharkCapture and inspect network traffic in real time. The industry-standard protocol analyzer for troubleshooting and securiWirestockMarketplace to upload, license, and sell photos and illustrations on multiple platformsWiteboardReal-time whiteboard for your team. Lightning fast, no signupsWolfram AlphaComputational knowledge engine. Solve math, science, and data problemsWolfram AlphaCompute answers across math, science, engineering, and more using a vast knowledge baseWolfram Alpha ReferenceCompute answers using a vast knowledge baseWoo RankInstant SEO audit tool. Website review with global and local traffic rankingsWord Cloud2Generate beautiful word clouds in the browser. Tag cloud, keyword visualization, and text analysisWord PressWorld's most-used blogging and CMS engineWord ReferenceFree online language dictionaries with forums for usage questionsWord SafetyCheck if words are abusive in any language. Content moderation helperWord WaffleDaily word games and puzzles to challenge your brainWordleGenerate beautiful word clouds from text. Customize colors, fonts, and layoutsWordleDaily word game where you guess a five-letter word in six tries with color feedbackWorkableRecruiting and hiring platform with job boardsWorld CatGlobal catalog of library collections for finding books, media, and archivesWorld Time BuddyPlan meetings across timezones with a visual time zone converterWorld Time BuddyPlan meetings across time zones visuallyWorld Wide TelescopeFree web-based astronomy visualization environment from the American Astronomical SocietyWorldleGuess the country or territory from its shapeWormholeEnd-to-end encrypted file sharing. Files up to 10GB. Self-destructing, peer-to-peer transfersWoxEfficient launcher for Windows with pluginsWPScanBlack-box WordPress vulnerability scanner that checks for known CVEs and weaknessesWrikeWork management platform for planning, tracking, and collaborationWrite asDistraction-free writing and publishing. Markdown support, anonymous postsWrite FreelyWriting software for a minimalist, federated blogWrite URLCollaborative real-time online text editor. Share a URL and write togetherWrite XOOnline notepad with rich-text support, password protection, and custom URLsWritingLightweight distraction-free text editor in the browser with Markdown and LaTeXWufooBuild online forms and surveys with drag and dropx64dbgOpen-source Windows x64/x32 debugger for reverse engineering and malware analysisXbox Game PassSubscription service with a rotating library of hundreds of gamesXcasComputer algebra system and calculator for symbolic and numeric mathXeroOnline accounting platform connecting small businesses with their banks and advisorsXML to JSON ConverterConvert XML to JSON and JSON to XML with a simple interfaceXn View MPFree cross-platform photo viewer, organizer, and converter with batch toolsXodoFree PDF reader and editor with annotation, fill-in forms, and cloud syncXSStrikeAdvanced cross-site scripting detection suite with fuzzing and analysis to find XSS vulnerabilitiesYa CyDecentralized peer-to-peer search engine anyone can run as part of a global indexYAML LintOnline YAML parser and validator that reports syntax errors and shows JSON outputYandex TranslateFree text and web-page translation across dozens of languagesYARAIdentify and classify malware by creating rules that match on binary patternsYarnyAI writing assistant for stories and articlesYNABPopular budgeting app using the zero-based budgeting methodYoast SEOPopular WordPress SEO plugin with readability and technical SEO analysisYou Cam MakeupTry on makeup virtually with AIYou Cam MakeupPerfect Corp's AI-powered virtual makeup try-on used by beauty shoppers worldwideYou Cam PerfectSelfie and beauty retouching app with AI editing tools and beauty camera effectsYOU DJOnline music mixer sourcing music from SoundCloud. Mix and remix in browserYou TubeWatch, upload, and share videos with the worldyt-dlpCommand-line program to download videos from YouTube and 1000+ sitesYummlyPersonalized recipe discovery and meal planningZ-Wave JSJavascript library for controlling Z-Wave smart home devicesZ-Wave JSLibrary for controlling Z-Wave smart home devicesZakat CalculatorCalculate your zakat based on your wealth and assetsZapierConnect your apps and automate workflows without codeZedHigh-performance, multiplayer code editor from the creators of Atom and Tree-sitterZeekPowerful network analysis framework focused on security monitoring and researchZenodoOpen repository for research data and software from CERNZetyOnline resume maker with thousands of templates and a step-by-step wizardZigbee2MQTTBridge Zigbee devices to MQTT without a proprietary gateway, for smart-home controlZillowSearch homes for sale, rent, and home valuesZimbraOpen-source collaboration suite with mail, calendar, and docsZinc SearchA lightweight, self-hosted full-text search engine positioned as a lower-resource alternative to Elasticsearch. Offers aZip RecruiterJob board that actively matches candidates with employersZiplinePythonic event-driven backtesting engine for trading algorithmsZoho ProjectsOnline project management with tasks, Gantt charts, time tracking, and reportsZoho VaultPassword management for teams with shared vaults, policies, and audit logsZolaFast static site generator in a single binary with templatesZoomVideo conferencing and online meetingsZoteroCollect, organize, cite, and share research sources and bibliographiesZotero BibGenerate citations and bibliographies quicklyZrythmOpen-source digital audio workstationZulipPowerful open-source group chat with topic threadingZulipPowerful, open source group chat applicationZwiftOnline multiplayer indoor cycling and running platform with virtual worldszxcvbn Password StrengthDropbox's password strength estimator. Realistic password cracking estimates, not just character counting

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