The Validator.nu HTML parser https://about.validator.nu/htmlparser/

rtl88x2bu driver updated for current kernels.

Neqo, the Mozilla Firefox implementation of QUIC in Rust

Visual Studio Code

Auto-generate JS class structures for Web IDL specifications

A JavaScript implementation of various web standards, for use with Node.js

Clang build analysis tool using -ftime-trace

A complete computer science study plan to become a software engineer.

UI Events

Pointer Events

BlueGriffon, the Web editor

Sccache is a ccache-like tool. It is used as a compiler wrapper and avoids compilation when possible. Sccache has the capability to utilize caching in remote storage environments, including various…

The Linux perf GUI for performance analysis.

Stack trace visualizer

General-purpose public wiki and issue tracking

Tool for submitting traces to Pernosco

DITM: Developer In The Middle

Icecream GUI Monitor

Web IDL Standard

A collection of those pesky SDK folders: MacOSX10.1.5.sdk thru MacOSX11.3.sdk

Log Analyzer for Mozilla logs

Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org. How to contribute: https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html

Templates for Firefox data collection review process (https://wiki.mozilla.org/Firefox/Data_Collection)

📝 Spec proposals that aren't yet approved by the relevant Working Group.

Accessibility Object Model

Lit is a simple library for building fast, lightweight web components.

Benchmarks for Polymer

A suite of polyfills supporting the HTML Web Components specs

Our original Web Component library.