316 sites in Tech tools
Docs & References52
- MDN Web Docsdeveloper.mozilla.orgThe reference for web standards
- Can I Usecaniuse.comBrowser support tables for web features
- DevDocsdevdocs.ioFast, searchable API docs in one place
- web.devweb.devGuidance on modern web practices
- Stack Overflowstackoverflow.comProgramming questions and answers
- GitHubgithub.comHost and collaborate on code
- GitLabgitlab.comCode hosting with built-in DevOps
- Codebergcodeberg.orgNon-profit, community-run code hosting
- SourceHutsr.htMinimal, hackable code forge
- DevHintsdevhints.ioCheat sheets for developers
- Cheatographycheatography.comThousands of cheat sheets
- Learn X in Y Minuteslearnxinyminutes.comLearn a language by reading code
- roadmap.shroadmap.shVisual career paths for developers
- Awesome Listsgithub.comCurated lists on every topic
- Big-O Cheat Sheetbigocheatsheet.comComplexity of common algorithms
- Refactoring Gururefactoring.guruDesign patterns explained with pictures
- Martin Fowlermartinfowler.comSoftware architecture and practice
- VisuAlgovisualgo.netAnimated visualizations of algorithms
- Algorithm Visualizeralgorithm-visualizer.orgWatch algorithms run step by step
- Data Structure Visualizationscs.usfca.eduInteractive data structure animations
- tldr pagestldr.shSimplified man pages with examples
- Explain Shellexplainshell.comPaste a command and see what it does
- ShellCheckshellcheck.netFind bugs in shell scripts
- Regex101regex101.comBuild and debug regular expressions
- RegExrregexr.comLearn and test regex
- Crontab Gurucrontab.guruMake cron schedules readable
- Compiler Explorergodbolt.orgSee what compilers do to your code
- Python Tutorpythontutor.comVisualize code execution step by step
- Wikipedia: Comparison of Programming Languagesen.wikipedia.orgLanguage features side by side
- Awesome Selfhostedgithub.comFree software to host yourself
- Open Source Alternative Toopensourcealternative.toFind open source replacements
- AlternativeToalternativeto.netFind alternatives to any software
- Slantslant.coOpinionated tech product comparisons
- Changelogchangelog.comNews and podcasts for developers
- Syntaxsyntax.fmWeb development podcast
- Julia Evansjvns.caZines and posts that make hard topics friendly
- Dan Luudanluu.comDeep essays on computers and teams
- Overreactedoverreacted.ioDan Abramov on React and programming
- Josh W. Comeaujoshwcomeau.comInteractive guides to CSS and React
- Kent C. Doddskentcdodds.comPractical React and testing guides
- Brandurbrandur.orgNotes on databases and APIs
- Gwerngwern.netLong form research on many subjects
- Joel on Softwarejoelonsoftware.comClassic essays on running software teams
- Paul Graham Essayspaulgraham.comEssays on startups and programming
- The Pragmatic Engineerpragmaticengineer.comInside big tech and startups
- ByteByteGobytebytego.comSystem design explained with diagrams
- High Scalabilityhighscalability.comArchitectures of large systems
- Hillel Waynehillelwayne.comFormal methods and practical programming
- Fabien Sanglardfabiensanglard.netDeep dives into game engines and old code
- Nayukinayuki.ioClear projects on algorithms and cryptography
- Beej's Guidebeej.usFriendly guides to C and networking
- Wikibooks Programmingen.wikibooks.orgFree programming textbooks
Playgrounds & Sandboxes34
- JSFiddlejsfiddle.netQuick HTML, CSS and JS playground
- CodeSandboxcodesandbox.ioOnline development environments
- StackBlitzstackblitz.comFull-stack dev environments in the browser
- Replitreplit.comBuild and host apps from the browser
- TypeScript Playgroundtypescriptlang.orgTry TypeScript with live output
- Rust Playgroundplay.rust-lang.orgRun Rust code in the browser
- Go Playgroundgo.devRun Go code in the browser
- OneCompileronecompiler.comRun code in many languages online
- Programiz Online Compilerprogramiz.comRun Python in the browser
- Google Colabcolab.research.google.comNotebooks with free compute
- Jupyterjupyter.orgInteractive computing notebooks
- marimomarimo.ioReactive Python notebooks
- DB Fiddledb-fiddle.comTest SQL queries online
- SQLite Onlinesqliteonline.comRun SQL in your browser
- Mermaid Livemermaid.liveDraw diagrams from text
- Diagrams.netapp.diagrams.netFree diagramming in the browser
- dbdiagramdbdiagram.ioDraw database diagrams from code
- tldrawtldraw.comAn infinite whiteboard
- Excalidrawexcalidraw.comHand-drawn style whiteboard
- Whimsicalwhimsical.comFlowcharts, wireframes and docs
- Miromiro.comOnline collaborative whiteboard
- Ray.soray.soBeautiful images of your code
- Carboncarbon.now.shMake pretty code screenshots
- Playwright Trace Viewertrace.playwright.devInspect Playwright traces in the browser
- Tailwind Playplay.tailwindcss.comTry Tailwind CSS in the browser
- Svelte Playgroundsvelte.devTry Svelte components online
- Vue SFC Playgroundplay.vuejs.orgTry Vue components online
- Solid Playgroundplayground.solidjs.comTry Solid components online
- Astro Playgroundastro.newStart an Astro project in the browser
- Kotlin Playgroundplay.kotlinlang.orgRun Kotlin in the browser
- Swift Playgroundswiftfiddle.comRun Swift code online
- Dotnet Fiddledotnetfiddle.netRun C# in the browser
- PHP Sandboxonlinephp.ioRun PHP code online
- Wolfram Cloudwolframcloud.comRun Wolfram language in the browser
Hosting & Backends61
- Vercelvercel.comDeploy front-end and full-stack apps
- Netlifynetlify.comBuild, deploy and scale web projects
- Cloudflare Pagespages.cloudflare.comHost static and full-stack sites
- Cloudflarecloudflare.comCDN, DNS, security and edge compute
- GitHub Pagespages.github.comFree static hosting from a repo
- Renderrender.comCloud hosting for apps and databases
- Railwayrailway.comDeploy apps and databases quickly
- Fly.iofly.ioRun apps close to your users
- Surgesurge.shPublish static sites from the terminal
- Deno Deploydeno.comServerless JavaScript at the edge
- Supabasesupabase.comOpen source Postgres backend
- Firebasefirebase.google.comApp backend from Google
- Neonneon.techServerless Postgres
- Tursoturso.techSQLite for the edge
- Upstashupstash.comServerless Redis and queues
- MongoDB Atlasmongodb.comManaged MongoDB in the cloud
- Appwriteappwrite.ioOpen source backend platform
- PocketBasepocketbase.ioA backend in one file
- Hetznerhetzner.comAffordable servers and cloud
- DigitalOceandigitalocean.comDeveloper-friendly cloud
- Vultrvultr.comCloud compute worldwide
- Akamai Cloudlinode.comCloud computing from Linode
- Namecheapnamecheap.comDomains and hosting
- Porkbunporkbun.comDomain registrar with fair prices
- Gandigandi.netDomain registrar and hosting
- Let's Encryptletsencrypt.orgFree TLS certificates
- BunnyCDNbunny.netFast, affordable CDN
- UptimeRobotuptimerobot.comMonitor sites for downtime
- Better Stackbetterstack.comUptime monitoring and logs
- Sentrysentry.ioTrack errors in your apps
- Plausibleplausible.ioSimple privacy-friendly analytics
- Umamiumami.isOpen source web analytics
- GoatCountergoatcounter.comLightweight web analytics
- PostHogposthog.comProduct analytics suite
- Simple Analyticssimpleanalytics.comPrivacy-first analytics
- Formspreeformspree.ioForms for static sites
- Web3Formsweb3forms.comContact forms without a backend
- Resendresend.comEmail API for developers
- Postmarkpostmarkapp.comReliable transactional email
- EmailJSemailjs.comSend email from client-side code
- Clerkclerk.comAuthentication and user management
- Auth0auth0.comIdentity platform
- Stripestripe.comOnline payments
- Lemon Squeezylemonsqueezy.comSell digital products simply
- Paddlepaddle.comPayments and tax for software
- Coolifycoolify.ioSelf-host your own PaaS
- Dokploydokploy.comDeploy apps on your own server
- Caddycaddyserver.comWeb server with automatic HTTPS
- Nginxnginx.orgThe popular web server
- Traefiktraefik.ioCloud-native reverse proxy
- Tailscaletailscale.comPrivate networks made simple
- ngrokngrok.comExpose local servers to the internet
- Webhook.sitewebhook.siteInspect incoming webhooks
- Hoppscotchhoppscotch.ioOpen source API client
- Postmanpostman.comBuild and test APIs
- Insomniainsomnia.restAPI client and design tool
- Swaggerswagger.ioAPI design and docs
- httpbinhttpbin.orgTest HTTP requests
- JSONPlaceholderjsonplaceholder.typicode.comFree fake API for testing
- Reqresreqres.inHosted REST API for testing
Languages & Runtimes37
- Pythonpython.orgThe Python language and docs
- Gogo.devBuild simple, secure, scalable systems
- Rustrust-lang.orgReliable, efficient systems language
- Zigziglang.orgA general purpose systems language
- Rubyruby-lang.orgA programmer's best friend
- Elixirelixir-lang.orgScalable, maintainable applications
- Kotlinkotlinlang.orgModern language for the JVM and beyond
- Swiftswift.orgApple's programming language
- TypeScripttypescriptlang.orgJavaScript with types
- Node.jsnodejs.orgJavaScript runtime
- Denodeno.comSecure JavaScript and TypeScript runtime
- Bunbun.shFast all-in-one JavaScript toolkit
- Lualua.orgLightweight embeddable scripting language
- OCamlocaml.orgIndustrial strength functional language
- Haskellhaskell.orgPurely functional programming
- Clojureclojure.orgA modern Lisp for the JVM
- Juliajulialang.orgHigh-performance numerical computing
- R Projectr-project.orgLanguage for statistics
- Nimnim-lang.orgEfficient, expressive language
- Crystalcrystal-lang.orgRuby-like syntax, compiled speed
- Odinodin-lang.orgA data-oriented systems language
- Gleamgleam.runA friendly language for typed functions
- Racketracket-lang.orgA language for making languages
- Scheme Wikischemers.orgScheme learning and community
- Smalltalk Pharopharo.orgA modern Smalltalk environment
- WebAssemblywebassembly.orgA portable binary format for the web
- Wasmerwasmer.ioRun WebAssembly anywhere
- Emscriptenemscripten.orgCompile C and C++ to the web
- V8 Blogv8.devBehind the JavaScript engine
- Chrome for Developersdeveloper.chrome.comDocs and updates for Chrome
- Firefox Developerfirefox-source-docs.mozilla.orgMozilla engineering docs
- Web Platform Testswpt.fyiCross-browser standards test results
- TC39 Proposalsgithub.comThe future of JavaScript
- W3Cw3.orgWeb standards
- WHATWGwhatwg.orgHTML and DOM standards
- ECMA Internationalecma-international.orgLanguage standards
- RFC Editorrfc-editor.orgInternet standards and RFCs
Frameworks & Libraries77
- Reactreact.devLibrary for user interfaces
- Vuevuejs.orgProgressive JavaScript framework
- Sveltesvelte.devCompile away the framework
- SolidJSsolidjs.comReactive UI with fine-grained updates
- Angularangular.devPlatform for building web apps
- Astroastro.buildContent-driven sites with less JS
- Next.jsnextjs.orgReact framework for production
- Nuxtnuxt.comVue framework for full-stack apps
- SvelteKitsvelte.devSvelte application framework
- Remixremix.runFull-stack web framework
- Qwikqwik.devInstant-loading web apps
- HTMXhtmx.orgHTML-first interactivity
- Alpine.jsalpinejs.devLightweight JavaScript behavior
- Preactpreactjs.comFast 3kB React alternative
- Litlit.devSimple web components
- Honohono.devSmall, fast web framework
- Expressexpressjs.comFast, minimal Node.js framework
- Fastifyfastify.devFast and low overhead web framework
- tRPCtrpc.ioEnd-to-end typesafe APIs
- Zodzod.devTypeScript-first schema validation
- Prismaprisma.ioNext-generation ORM
- Drizzleorm.drizzle.teamTypeScript SQL ORM
- FastAPIfastapi.tiangolo.comModern Python APIs
- Djangodjangoproject.comBatteries-included Python web framework
- Flaskflask.palletsprojects.comLightweight Python web framework
- Ruby on Railsrubyonrails.orgProductive full-stack web framework
- Laravellaravel.comPHP framework for web artisans
- Phoenixphoenixframework.orgProductive realtime web framework
- Springspring.ioJava application framework
- Flutterflutter.devBuild apps for any screen
- React Nativereactnative.devNative apps with React
- Expoexpo.devMake React Native apps faster
- Tauritauri.appSmall, secure desktop apps
- Electronelectronjs.orgDesktop apps with web tech
- Capacitorcapacitorjs.comCross-platform native runtime
- Three.jsthreejs.org3D graphics on the web
- Babylon.jsbabylonjs.comPowerful 3D engine for the web
- PixiJSpixijs.comFast 2D rendering
- D3d3js.orgData-driven documents
- Chart.jschartjs.orgSimple, flexible charts
- GSAPgsap.comProfessional-grade animation
- Motionmotion.devAnimation library for the web
- Lenislenis.darkroom.engineeringSmooth scrolling library
- Playwrightplaywright.devReliable end-to-end testing
- Cypresscypress.ioFast browser testing
- Vitestvitest.devFast unit testing
- Jestjestjs.ioJavaScript testing framework
- Storybookstorybook.js.orgDevelop UI in isolation
- ESLinteslint.orgFind and fix JS problems
- Prettierprettier.ioOpinionated code formatter
- Biomebiomejs.devFast formatter and linter
- Vitevite.devNext generation frontend tooling
- esbuildesbuild.github.ioAn extremely fast bundler
- Turborepoturbo.buildFast monorepo builds
- pnpmpnpm.ioFast, disk space efficient package manager
- npmnpmjs.comThe JavaScript package registry
- Bundlephobiabundlephobia.comFind the cost of adding an npm package
- npm trendsnpmtrends.comCompare npm package downloads
- PyPIpypi.orgThe Python Package Index
- crates.iocrates.ioRust's package registry
- pkg.go.devpkg.go.devGo packages and docs
- Libraries.iolibraries.ioDiscover open source packages
- JSRjsr.ioA modern JavaScript registry
- Tailwind CSStailwindcss.comUtility-first CSS framework
- UnoCSSunocss.devInstant on-demand atomic CSS
- Open Propsopen-props.styleCSS custom properties for design
- Pico CSSpicocss.comMinimal CSS for semantic HTML
- Bootstrapgetbootstrap.comThe popular component framework
- shadcn/uiui.shadcn.comCopy-paste accessible components
- Radix UIradix-ui.comUnstyled accessible primitives
- Headless UIheadlessui.comUnstyled components for Tailwind
- DaisyUIdaisyui.comComponent classes for Tailwind
- Mantinemantine.devReact components library
- Chakra UIchakra-ui.comAccessible React components
- Material UImui.comReact implementation of Material
- Ant Designant.designEnterprise UI components
- Flowbiteflowbite.comOpen source Tailwind components
Dev Tools & Terminals55
- VS Codecode.visualstudio.comThe popular code editor
- Zedzed.devA high-performance editor
- Neovimneovim.ioHyperextensible Vim-based editor
- JetBrainsjetbrains.comIDEs for every language
- Sublime Textsublimetext.comA sophisticated text editor
- Helixhelix-editor.comA post-modern modal editor
- Warpwarp.devA modern terminal
- Ghosttyghostty.orgA fast, native terminal
- iTerm2iterm2.comTerminal for macOS
- Alacrittyalacritty.orgA fast GPU terminal
- Kittysw.kovidgoyal.netA feature-rich GPU terminal
- WezTermwezterm.orgA GPU-accelerated terminal
- tmuxgithub.comTerminal multiplexer
- Zellijzellij.devA terminal workspace
- Homebrewbrew.shPackage manager for macOS and Linux
- Dockerdocker.comBuild and run containers
- Podmanpodman.ioDaemonless container engine
- Kuberneteskubernetes.ioContainer orchestration
- Terraformdeveloper.hashicorp.comInfrastructure as code
- Ansibleansible.comSimple IT automation
- NixOSnixos.orgReproducible builds and systems
- Gitgit-scm.comDistributed version control
- GitHub Desktopdesktop.github.comGit with a friendly interface
- Lazygitgithub.comA simple terminal UI for git
- Oh My Zshohmyz.shA framework for Zsh
- fzfgithub.comCommand-line fuzzy finder
- ripgrepgithub.comFast recursive search
- Starshipstarship.rsA minimal, fast shell prompt
- zoxidegithub.comA smarter cd command
- batgithub.comA cat clone with syntax highlighting
- Atuinatuin.shMagical shell history
- GitHub CLIcli.github.comGitHub on the command line
- Dotfilesdotfiles.github.ioGuides and examples for dotfiles
- Raycastraycast.comLauncher with extensions
- Alfredalfredapp.comProductivity app for macOS
- Obsidianobsidian.mdLocal-first knowledge base
- DBeaverdbeaver.ioUniversal database tool
- TablePlustableplus.comNative database client
- Beekeeper Studiobeekeeperstudio.ioOpen source SQL editor
- Wiresharkwireshark.orgThe network protocol analyzer
- Charles Proxycharlesproxy.comHTTP debugging proxy
- mitmproxymitmproxy.orgInteractive HTTPS proxy
- Fiddlertelerik.comWeb debugging proxy
- Sourcegraphsourcegraph.comSearch and understand code
- Grep Appgrep.appSearch across half a million repos
- Docker Hubhub.docker.comContainer image registry
- Artifact Hubartifacthub.ioFind Kubernetes packages
- Shields.ioshields.ioBadges for your README
- Choose a Licensechoosealicense.comPick an open source license
- Conventional Commitsconventionalcommits.orgA spec for readable commit messages
- Keep a Changelogkeepachangelog.comHow to write a good changelog
- Gitmojigitmoji.devAn emoji guide for commit messages
- Semantic Versioningsemver.orgVersion numbers that mean something
- Toptal Gitignoretoptal.comGenerate .gitignore files
- readme.soreadme.soBuild a README with a visual editor
Try a shorter word, or a topic like “radio” or “pdf”.