The platform code behind MDN Web Docs

Debug Safari and WebViews on iOS from tools like VS Code and Chrome DevTools

Example project for building a library for iOS + Android in Rust.

JavaScript Performance Monitor

DEPRECATED - A Javascript library for parsing metadata on a web page.

Enhanced version of Asus's router firmware (Asuswrt) (legacy code base)

Console Standard

A collection of fuzzers in a harness for testing the SpiderMonkey JavaScript engine.

Blissful JavaScript

Visual Studio Code

Build cross-platform desktop apps with JavaScript, HTML, and CSS

Extension examples for Firefox developer tools

Next Firebug generation built on top of native Firefox developer tools

Interactive code editing in browser

Remote debugger protocol inspector

simple real-time messaging using WebRTC Data Channels and WebSockets

IE Diagnostics Adapter is a standalone exe that enables tools to debug and diagnose IE11 using the Chrome remote debug protocol.

node.js modules for interacting with Firefox via the DevTools remote protocol

API Documentation Browser

A Virtual DOM and diffing algorithm

Deep Learning in Javascript. Train Convolutional Neural Networks (or ordinary ones) in your browser.

Firefox.html is an experiment: trying to re-implement the Firefox UI in HTML.

Firefox add-on for arranging tabs vertically

Take screenshots of Mozilla applications in various UI configurations

Deprecated. See fork @ https://github.com/thelounge

DEPRECATED - Gaia is a HTML5-based Phone UI for the Boot 2 Gecko Project. NOTE: For details of what branches are used for what releases, see

DEPRECATED - Boot to Gecko aims to create a complete, standalone operating system for the open web.

The asm.js benchmark

Node-like file system for browsers

INACTIVE - http://mzl.la/ghe-archive - A collection of web app templates