Repositories list

• translated-content

  Public
  7 community-maintained translations of MDN Web Docs in ES, FR, JA, KO, PT-BR, RU, and ZH, to learn and contribute in your native language.

  documentationweb-developmentlocalization+ 3

  documentationweb-developmentlocalizationmdnl10nweb-platform

  Markdown

  •

  Other

  •8.3k•2k•160•154•Updated Mar 9, 2026Mar 9, 2026

• fred

  Public
  MDN's frontend since late 2025, built with Web Components, Lit, and SSR for a fast, clean documentation experience. Fred = /fr(ont)e(n)d/.

  ssrweb-componentslit

  ssrweb-componentslit

  JavaScript

  •

  Mozilla Public License 2.0

  •33•83•119•24•Updated Mar 9, 2026Mar 9, 2026

• browser-compat-data

  Public
  Browser compatibility data for Web technologies as displayed on MDN

  jsondatadataset+ 2

  jsondatadatasetcompatibilitycompat

  JSON

  •

  Creative Commons Zero v1.0 Universal

  •2.5k•5.6k•417•43•Updated Mar 9, 2026Mar 9, 2026

• bcd-utils

  Public

  mdn/bcd-utils’s past year of commit activity
  toolinginfrabcd+ 1

  toolinginfrabcdbrowser-compat-data

  JavaScript

  •

  Mozilla Public License 2.0

  •10•6•0•6•Updated Mar 9, 2026Mar 9, 2026

• rumba

  Public

  mdn/rumba’s past year of commit activity
  The clean kuma (🤖🧹)

  rust

  rust

  Rust

  •

  Mozilla Public License 2.0

  •21•59•3•7•Updated Mar 9, 2026Mar 9, 2026

• content

  Public

  mdn/content’s past year of commit activity
  The official source for MDN Web Docs content. Home to over 14,000 pages of documentation about HTML, CSS, JS, HTTP, Web APIs, and more.

  javascriptcsshtml+ 7

  javascriptcsshtmllearninghttpdocumentationweb-developmentreferencemdnweb-standards

  Markdown

  •

  Other

  •23k•11k•359•99•Updated Mar 8, 2026Mar 8, 2026

• translated-content-de

  Public
  Experimental German locale for MDN, aimed at German-speaking users that prefer to read MDN Web Docs in their native language

  Markdown

  •

  Other

  •14•16•5•3•Updated Mar 8, 2026Mar 8, 2026

• mcp

  Public
  MDN's prototype MCP server

  JavaScript

  •

  Mozilla Public License 2.0

  •5•20•1•5•Updated Mar 6, 2026Mar 6, 2026

• rari

  Public

  mdn/rari’s past year of commit activity
  Rari is a Rust-based build system that transforms markdown into structured JSON, powering MDN Web Docs content and translations since 2024.

  infra

  infra

  Rust

  •

  Other

  •30•36•46•10•Updated Mar 6, 2026Mar 6, 2026

• mdn-http-observatory

  Public
  Backend for HTTP Observatory on MDN

  httpsecurityprivacy+ 3

  httpsecurityprivacymdnsecurity-toolshttp-headers

  JavaScript

  •

  Mozilla Public License 2.0

  •29•109•14•5•Updated Mar 5, 2026Mar 5, 2026

• client-toolchain-example

  Public
  Demo project for the MDN client-side web development tools tutorial.

  javascripttoolchaindemo+ 1

  javascripttoolchaindemoexamples

  JavaScript

  •

  Other

  •1•6•0•7•Updated Mar 5, 2026Mar 5, 2026

• dex

  Public
  MDN's deployment infrastructure.

  JavaScript

  •

  Mozilla Public License 2.0

  •4•1•11•4•Updated Mar 5, 2026Mar 5, 2026

• triagebot

  Public
  automation

  automation

  JavaScript

  •

  MIT License

  •2•5•0•1•Updated Mar 5, 2026Mar 5, 2026

• tree-sitter-mdn

  Public
  MDN's macro grammar for tree-sitter

  JavaScript

  •

  MIT License

  •2•3•0•4•Updated Mar 5, 2026Mar 5, 2026

• release-dashboard

  Public
  Small app to display bugzilla bugs which need dev docs

  mdnbugzilla

  mdnbugzilla

  Vue

  •

  Mozilla Public License 2.0

  •15•5•1•15•Updated Mar 5, 2026Mar 5, 2026

• yari

  Public
  The platform code behind MDN Web Docs

  mdnyari

  mdnyari

  TypeScript

  •

  Mozilla Public License 2.0

  •550•1.3k•2•5•Updated Mar 4, 2026Mar 4, 2026

• watify

  Public
  Compile WAT to WASM with WASM 🙇

  HTML

  •

  Mozilla Public License 2.0

  •0•4•0•1•Updated Mar 4, 2026Mar 4, 2026

• mdn-community

  Public
  A place to provide feedback and suggestions for MDN Web Docs

  communityfeedbackmdn+ 1

  communityfeedbackmdngovernance

  Mozilla Public License 2.0

  •53•152•9•0•Updated Mar 4, 2026Mar 4, 2026

• data

  Public
  This repository contains general data for Web technologies

  cssjsondata+ 1

  cssjsondatajson-data

  JavaScript

  •

  Creative Commons Zero v1.0 Universal

  •208•775•36•1•Updated Mar 3, 2026Mar 3, 2026

• content-inventory

  Public
  Inventory of MDN content

  JavaScript

  •

  Apache License 2.0

  •6•4•0•1•Updated Mar 2, 2026Mar 2, 2026

• todo-vue

  Public
  Sample todo app built with the Vue framework

  todovuejsvue+ 1

  todovuejsvuemdn

  Vue

  •

  Mozilla Public License 2.0

  •90•140•0•1•Updated Mar 2, 2026Mar 2, 2026

• todo-react

  Public
  Sample todo app built with the React/ReactDOM framework.

  reactdemotodo+ 1

  reactdemotodoexample

  JavaScript

  •

  Mozilla Public License 2.0

  •312•270•0•7•Updated Feb 28, 2026Feb 28, 2026

• shared-assets

  Public

  mdn/shared-assets’s past year of commit activity
  A repository for media and assets to be used across MDN Web Docs

  assetsexamplesinfra

  assetsexamplesinfra

  Mermaid

  •

  Other

  •15•25•3•0•Updated Feb 24, 2026Feb 24, 2026

• express-locallibrary-tutorial

  Public
  Local Library website written in NodeJS/Express; example for the MDN server-side development NodeJS module: https://developer.mozilla.org/en-US/docs/Learn/Serve…

  nodejsdemoexpress+ 2

  nodejsdemoexpressexamplewebapp

  JavaScript

  •

  Creative Commons Zero v1.0 Universal

  •813•1.3k•1•0•Updated Feb 22, 2026Feb 22, 2026

• museum

  Public

  mdn/museum’s past year of commit activity
  A historic collection of MDN Web Docs content and examples

  examplesarchive

  examplesarchive

  JavaScript

  •

  Mozilla Public License 2.0

  •3•13•0•0•Updated Feb 18, 2026Feb 18, 2026

• houdini-examples

  Public
  CSS Houdini examples relating to MDN content.

  cssexampleshoudini

  cssexampleshoudini

  HTML

  •

  Creative Commons Zero v1.0 Universal

  •9•37•0•0•Updated Feb 18, 2026Feb 18, 2026

• imsc-examples

  Public

  mdn/imsc-examples’s past year of commit activity
  Repository for examples to go along with MDN IMSC documentation.

  webexamplesmedia+ 2

  webexamplesmediasubtitlescaptioning

  HTML

  •

  Creative Commons Zero v1.0 Universal

  •7•12•0•0•Updated Feb 18, 2026Feb 18, 2026

• html-examples

  Public
  Code examples that accompany the MDN HTML documentation: https://developer.mozilla.org/en-US/docs/Web/HTML

  htmlexamples

  htmlexamples

  HTML

  •

  Creative Commons Zero v1.0 Universal

  •112•100•0•0•Updated Feb 18, 2026Feb 18, 2026

• web-tech-games

  Public
  Interactive diagram showing what parts of the web technology stack can used for different purposes when creating games. Includes links to more information about…

  HTML

  •

  Mozilla Public License 2.0

  •15•27•0•0•Updated Feb 18, 2026Feb 18, 2026

• webassembly-examples

  Public

  mdn/webassembly-examples’s past year of commit activity
  Code examples that accompany the MDN WebAssembly documentation — see https://developer.mozilla.org/en-US/docs/WebAssembly.

  exampleswebassemblywasm

  exampleswebassemblywasm

  WebAssembly

  •

  Creative Commons Zero v1.0 Universal

  •264•1.2k•2•0•Updated Feb 18, 2026Feb 18, 2026