MDN Web Docs
Data and tools related to MDN Web Docs (formerly Mozilla Developer Network, formerly Mozilla Developer Center...)
Worldwide
Pinned Repositories
browser-compat-data
Browser compatibility data for Web technologies as displayed on MDN
content
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.
dom-examples
Code examples that accompany various MDN DOM and Web API documentation pages
fred
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/.
learning-area
GitHub repo for the MDN Learning Area.
mdn
Planning and proposals for MDN Web Docs content
rari
Rari is a Rust-based build system that transforms markdown into structured JSON, powering MDN Web Docs content and translations since 2024.
translated-content
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.
web-components-examples
A series of web components examples, related to the MDN web components documentation at https://developer.mozilla.org/en-US/docs/Web/Web_Components.
webextensions-examples
Example Firefox add-ons created using the WebExtensions API
MDN Web Docs's Repositories
mdn/content
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.
mdn/browser-compat-data
Browser compatibility data for Web technologies as displayed on MDN
mdn/webextensions-examples
Example Firefox add-ons created using the WebExtensions API
mdn/dom-examples
Code examples that accompany various MDN DOM and Web API documentation pages
mdn/translated-content
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.
mdn/django-locallibrary-tutorial
Local Library website written in Django; example for the MDN server-side development Django module: https://developer.mozilla.org/en-US/docs/Learn/Server-side/Django.
mdn/yari
The platform code behind MDN Web Docs
mdn/js-examples
Code examples that accompany the MDN JavaScript/ECMAScript documentation
mdn/data
This repository contains general data for Web technologies
mdn/css-examples
Code examples that accompany the MDN CSS documentation
mdn/curriculum
MDN front-end developer curriculum
mdn/todo-react
Sample todo app built with the React/ReactDOM framework.
mdn/django-diy-blog
Basic blog site written in Django (part of MDN Django module assessment).
mdn/mdn-community
A place to provide feedback and suggestions for MDN Web Docs
mdn/todo-vue
Sample todo app built with the Vue framework
mdn/mdn-http-observatory
Backend for HTTP Observatory on MDN
mdn/rumba
The clean kuma (🤖🧹)
mdn/fred
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/.
mdn/rari
Rari is a Rust-based build system that transforms markdown into structured JSON, powering MDN Web Docs content and translations since 2024.
mdn/translated-content-de
Experimental German locale for MDN, aimed at German-speaking users that prefer to read MDN Web Docs in their native language
mdn/awesome
A curated list of awesome projects powered by (and powering) MDN Web Docs
mdn/differy
mdn/bcd-utils
mdn/release-dashboard
Small app to display bugzilla bugs which need dev docs
mdn/mdn-contributor-spotlight
Content for the contributor spotlight on MDN Web Docs
mdn/triagebot
mdn/watify
Compile WAT to WASM with WASM 🙇
mdn/dex
MDN's deployment infrastructure.
mdn/mcp
MDN's prototype MCP server
mdn/tree-sitter-mdn
MDN's macro grammar for tree-sitter