Mozilla
Mozilla (stylized as moz://a) is a free software community founded in 1998 by members of Netscape. The Mozilla community uses, develops, spreads and supports Mozilla products, thereby promoting exclusively free software and open standards, with only minor exceptions. The community is supported institutionally by the non-profit Mozilla Foundation and its tax-paying subsidiary, the Mozilla Corporation. Mozilla’s current products include the Firefox web browser, Thunderbird e-mail client (now through a subsidiary), Bugzilla bug tracking system, Gecko layout engine, Pocket “read-it-later-online” service, and others.
Here are 1,131 public repositories matching this topic...
Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
- Updated Aug 19, 2026
- Kotlin
Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening
- Updated Aug 17, 2026
- JavaScript
Firefox user.js for optimal privacy and security. Your favorite browser, but better.
- Updated Aug 3, 2026
- JavaScript
All of source code of Floorp 12, the most Advanced and Fastest Firefox derivative 🦊
- Updated Aug 19, 2026
- TypeScript
⚠️ 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
- Updated Feb 20, 2023
- Kotlin
The faster and smarter Debugger for Firefox DevTools 🔥🦊🛠
- Updated Jan 11, 2023
user.js -- Firefox configuration hardening
- Updated Apr 7, 2026
- JavaScript
Firefox Decrypt is a tool to extract passwords from Mozilla (Firefox™, Waterfox™, Thunderbird®, SeaMonkey®) profiles
- Updated Feb 23, 2026
- Python
Neqo, the Mozilla Firefox implementation of QUIC in Rust
- Updated Aug 19, 2026
- Rust
Komodo Edit is a fast and free multi-language code editor. Written in JS, Python, C++ and based on the Mozilla platform.
- Updated Nov 15, 2023
- Python
⚠️ Firefox Focus (Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android
- Updated Dec 13, 2022
- Kotlin
⚠️ This project moved to a new repository. It is now developed and maintained at: https://github.com/mozilla-mobile/firefox-android
- Updated Oct 31, 2022
- Kotlin
Librefox: Firefox with privacy enhancements
- Updated Mar 28, 2021
- JavaScript
Mozilla's Localization Platform
- Updated Aug 19, 2026
- Python
Making mozilla.org awesome, one pebble at a time
- Updated Aug 19, 2026
- HTML
⚠️ 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
- Updated Mar 5, 2024
- Swift
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
- Updated Nov 12, 2019
- C++
The DownThemAll! WebExtension
- Updated May 27, 2026
- TypeScript
Winner of Mozilla's $50,000 prize for AI
- Updated Apr 26, 2023
- JavaScript