Firefox for iOS

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening

Firefox user.js for speed, privacy, and security. Your favorite browser, but better.

⚠️ Fenix (Firefox for Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android

All of source code of version 10 or later of Floorp Browser, the most Advanced and Fastest Firefox derivative 🦊

The faster and smarter Debugger for Firefox DevTools 🔥🦊🛠

user.js -- Firefox configuration hardening

Komodo Edit is a fast and free multi-language code editor. Written in JS, Python, C++ and based on the Mozilla platform.

⚠️ Firefox Focus (Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android

Firefox Decrypt is a tool to extract passwords from Mozilla (Firefox™, Waterfox™, Thunderbird®, SeaMonkey®) profiles

⚠️ This project moved to a new repository. It is now developed and maintained at: https://github.com/mozilla-mobile/firefox-android

Neqo, the Mozilla Firefox implementation of QUIC in Rust

Librefox: Firefox with privacy enhancements

Mozilla's Localization Platform

⚠️ Firefox Focus (iOS) has moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-ios

Making mozilla.org awesome, one pebble at a time

nidium is an ongoing effort for a mobile hw-accelerated rendering engine to create apps and games. Embedding Mozilla JavaScript VM, Google Skia, Facebook Yoga. https://twitter.com/nidiumproject for updates

The DownThemAll! WebExtension

Winner of Mozilla's $50,000 prize for AI