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Mozilla

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mozilla logo

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 1,136 public repositories matching this topic...

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thunderbird / thunderbird-android

Sponsor
Star 14.2k

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

android communication email mozilla
  • Updated Nov 11, 2026
  • Kotlin

mozilla-mobile / firefox-ios

Star 13.1k

Firefox for iOS

swift firefox browser mozilla ios-app
  • Updated Nov 12, 2026
  • Swift

arkenfox / user.js

Star 13k

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

firefox security settings privacy mozilla anti-fingerprinting anti-tracking arkenfox
  • Updated Oct 31, 2026
  • JavaScript

yokoffing / Betterfox

Star 11k

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

firefox security tracking settings performance privacy mozilla speed gecko web-browser anti-tracking
  • Updated Sep 7, 2026
  • JavaScript
Floorp

Floorp-Projects / Floorp

Star 8.5k

All of source code of Floorp 12, the most Advanced and Fastest Firefox derivative 🦊

firefox browser mozilla gecko webbrowser
  • Updated Nov 12, 2026
  • TypeScript

mozilla-mobile / fenix

Star 6.4k

⚠️ 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

android firefox browser mozilla
  • Updated Feb 20, 2023
  • Kotlin

firefox-devtools / debugger

Star 4.6k

The faster and smarter Debugger for Firefox DevTools 🔥🦊🛠

react redux javascript debugger firefox chrome node devtools mozilla flowtype
  • Updated Jan 11, 2023

pyllyukko / user.js

Star 2.9k

user.js -- Firefox configuration hardening

firefox security privacy mozilla security-hardening mozilla-firefox
  • Updated Apr 7, 2026
  • JavaScript

unode / firefox_decrypt

Star 2.5k

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

python firefox thunderbird seamonkey mozilla command-line-tool libnss3 extract-passwords firefox-decrypt waterfox
  • Updated Sep 28, 2026
  • Python

mozilla / neqo

Star 2.3k

Neqo, the Mozilla Firefox implementation of QUIC in Rust

rust firefox mozilla ietf quic http3
  • Updated Nov 12, 2026
  • Rust

Komodo / KomodoEdit

Star 2.2k

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

nodejs javascript ruby python go editor debugger php lua cross-platform perl ide tcl mozilla debugger-visualizer xulrunner komodo-edit xul komodo-ide activestate
  • Updated Nov 15, 2023
  • Python

mozilla-mobile / focus-android

Star 2.1k

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

android privacy browser mozilla
  • Updated Dec 13, 2022
  • Kotlin

mozilla-mobile / android-components

Star 2k

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

android kotlin components browser mozilla
  • Updated Oct 31, 2022
  • Kotlin

intika / Librefox

Star 1.8k

Librefox: Firefox with privacy enhancements

firefox security privacy browser addon freedom mozilla android-application free-software libre mac-app android-app security-hardening linux-app mozilla-firefox windows-app anti-fingerprinting libresoftware libre-software extensions-firewall
  • Updated Mar 28, 2021
  • JavaScript

mozilla / pontoon

Star 1.7k

Mozilla's Localization Platform

javascript design django translation localization mozilla pontoon
  • Updated Nov 11, 2026
  • Python

mozilla / bedrock

Star 1.3k

Making mozilla.org awesome, one pebble at a time

javascript css python html firefox django mozilla
  • Updated Nov 11, 2026
  • HTML

mozilla-mobile / focus-ios

Star 1.2k

⚠️ 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

swift firefox privacy browser mozilla ios-app hacktoberfest
  • Updated Mar 5, 2024
  • Swift

nidium / Nidium

Star 1.1k

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

javascript macos linux c-plus-plus rendering webassembly mozilla spidermonkey layout-engine canvas2d skia 2d-canvas
  • Updated Nov 12, 2019
  • C++

downthemall / downthemall

Star 1.1k

The DownThemAll! WebExtension

firefox downloader download mozilla webextension webextensions download-manager
  • Updated Oct 17, 2026
  • TypeScript

FaFre / WebLibre

Sponsor
Star 1.1k

Private Gecko browser with containers, web apps, Tor/VPN, and on-device search

firefox privacy browser proxy mozilla tor vpn android-browser gecko web-browser webbrowser mozilla-firefox wireguard mobile-browsers geckoview android-browsers
  • Updated Nov 12, 2026
  • Dart

Created by Mozilla Foundation

Released February 23, 1998

Followers
86 followers
Organization
mozilla
Website
github.com/topics/mozilla
Wikipedia
Wikipedia

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