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

  •8.3k8.3k forks•2k2k stars•210210 issues•247247 pull requests•Updated Aug 18, 2026Aug 18, 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

  •2.6k2.6k forks•5.7k5.7k stars•375375 issues•3131 pull requests•Updated Aug 18, 2026Aug 18, 2026

• content

  Public
  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

  •23k23k forks•11k11k stars•353353 issues•155155 pull requests•Updated Aug 17, 2026Aug 17, 2026

• mdn-http-observatory

  Public
  Backend for HTTP Observatory on MDN

  httpsecurityprivacy+ 3

  httpsecurityprivacymdnsecurity-toolshttp-headers

  JavaScript

  •

  Mozilla Public License 2.0

  •3434 forks•140140 stars•1919 issues•99 pull requests•Updated Aug 17, 2026Aug 17, 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

  •2121 forks•2020 stars•66 issues•11 pull request•Updated Aug 17, 2026Aug 17, 2026

• dex

  Public
  MDN's deployment infrastructure.

  JavaScript

  •

  Mozilla Public License 2.0

  •44 forks•66 stars•88 issues•66 pull requests•Updated Aug 17, 2026Aug 17, 2026

• tree-sitter-mdn

  Public
  MDN's macro grammar for tree-sitter

  JavaScript

  •

  MIT License

  •44 forks•44 stars•11 issue•33 pull requests•Updated Aug 17, 2026Aug 17, 2026

• yari

  Public
  The platform code behind MDN Web Docs

  mdnyari

  mdnyari

  TypeScript

  •

  Mozilla Public License 2.0

  •556556 forks•1.3k1.3k stars•22 issues•1818 pull requests•Updated Aug 17, 2026Aug 17, 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

  •5757 forks•230230 stars•101101 issues•2424 pull requests•Updated Aug 17, 2026Aug 17, 2026

• rari

  Public
  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

  •4242 forks•5656 stars•6262 issues•1616 pull requests•Updated Aug 17, 2026Aug 17, 2026

• content-inventory

  Public
  Inventory of MDN content

  JavaScript

  •

  Apache License 2.0

  •66 forks•55 stars•00 issues•22 pull requests•Updated Aug 17, 2026Aug 17, 2026

• mcp

  Public
  MDN's prototype MCP server

  JavaScript

  •

  Mozilla Public License 2.0

  •1313 forks•182182 stars•22 issues•22 pull requests•Updated Aug 17, 2026Aug 17, 2026

• bcd-utils

  Public
  toolinginfrabcd+ 1

  toolinginfrabcdbrowser-compat-data

  JavaScript

  •

  Mozilla Public License 2.0

  •1111 forks•77 stars•11 issue•11 pull request•Updated Aug 17, 2026Aug 17, 2026

• rumba

  Public
  The clean kuma (🤖🧹)

  rust

  rust

  Rust

  •

  Mozilla Public License 2.0

  •2323 forks•6161 stars•33 issues•55 pull requests•Updated Aug 17, 2026Aug 17, 2026

• data

  Public
  This repository contains general data for Web technologies

  cssjsondata+ 1

  cssjsondatajson-data

  JavaScript

  •

  Creative Commons Zero v1.0 Universal

  •216216 forks•785785 stars•3636 issues•11 pull request•Updated Aug 16, 2026Aug 16, 2026

• client-toolchain-example

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

  javascripttoolchaindemo+ 1

  javascripttoolchaindemoexamples

  JavaScript

  •

  Other

  •44 forks•77 stars•00 issues•00 pull requests•Updated Aug 13, 2026Aug 13, 2026

• museum

  Public
  A historic collection of MDN Web Docs content and examples

  examplesarchive

  examplesarchive

  JavaScript

  •

  Mozilla Public License 2.0

  •55 forks•1313 stars•00 issues•00 pull requests•Updated Aug 13, 2026Aug 13, 2026

• watify

  Public
  Compile WAT to WASM with WASM 🙇

  HTML

  •

  Mozilla Public License 2.0

  •11 fork•55 stars•00 issues•11 pull request•Updated Aug 12, 2026Aug 12, 2026

• todo-react

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

  reactdemotodo+ 1

  reactdemotodoexample

  JavaScript

  •

  Mozilla Public License 2.0

  •332332 forks•271271 stars•00 issues•55 pull requests•Updated Aug 11, 2026Aug 11, 2026

• triagebot

  Public
  automation

  automation

  JavaScript

  •

  MIT License

  •33 forks•66 stars•00 issues•00 pull requests•Updated Aug 11, 2026Aug 11, 2026

• mdn-community

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

  communityfeedbackmdn+ 1

  communityfeedbackmdngovernance

  Mozilla Public License 2.0

  •5555 forks•159159 stars•99 issues•00 pull requests•Updated Aug 11, 2026Aug 11, 2026

• todo-vue

  Public
  Sample todo app built with the Vue framework

  todovuejsvue+ 1

  todovuejsvuemdn

  Vue

  •

  Mozilla Public License 2.0

  •9393 forks•140140 stars•00 issues•33 pull requests•Updated Aug 10, 2026Aug 10, 2026

• curriculum

  Public
  MDN front-end developer curriculum

  learningeducationweb-development+ 2

  learningeducationweb-developmentcareerbeginners

  TeX

  •

  Other

  •4747 forks•378378 stars•33 issues•22 pull requests•Updated Jul 31, 2026Jul 31, 2026

• differy

  Public
  Rust

  •

  MIT License

  •99 forks•77 stars•00 issues•00 pull requests•Updated Jul 31, 2026Jul 31, 2026

• shared-assets

  Public
  A repository for media and assets to be used across MDN Web Docs

  assetsexamplesinfra

  assetsexamplesinfra

  Mermaid

  •

  Other

  •1818 forks•2828 stars•33 issues•22 pull requests•Updated Jul 30, 2026Jul 30, 2026

• mdn-contributor-spotlight

  Public
  Content for the contributor spotlight on MDN Web Docs

  communityachievementskudos

  communityachievementskudos

  Mozilla Public License 2.0

  •55 forks•55 stars•00 issues•00 pull requests•Updated Jul 30, 2026Jul 30, 2026

• workflows

  Public
  Reusable GitHub Actions workflows

  infragithub-actions

  infragithub-actions

  Mozilla Public License 2.0

  •2626 forks•5353 stars•00 issues•00 pull requests•Updated Jul 30, 2026Jul 30, 2026

• webextensions-examples

  Public
  Example Firefox add-ons created using the WebExtensions API

  browsermdnwebextensions+ 1

  browsermdnwebextensionswebextensions-apis

  JavaScript

  •

  Mozilla Public License 2.0

  •2.6k2.6k forks•4.5k4.5k stars•1616 issues•1616 pull requests•Updated Jul 30, 2026Jul 30, 2026

• generic-content

  Public
  Various pieces of generic MDN content

  community

  community

  Other

  •1010 forks•22 stars•22 issues•00 pull requests•Updated Jul 15, 2026Jul 15, 2026

• dom-examples

  Public
  Code examples that accompany various MDN DOM and Web API documentation pages

  javascriptdemodrag-drop+ 7

  javascriptdemodrag-dropmdndom-manipulationtouch-eventsmatchmediapointer-lockpointer-eventschannel-messaging

  JavaScript

  •

  Creative Commons Zero v1.0 Universal

  •1.9k1.9k forks•4k4k stars•99 issues•77 pull requests•Updated Jul 15, 2026Jul 15, 2026