Repositories list

• mozanalysis

  Public
  A library for Mozilla experiments analysis

  Python

  •

  Mozilla Public License 2.0

  •1313 forks•1515 stars•1010 issues•4141 pull requests•Updated Jul 21, 2026Jul 21, 2026

• addons-release-tests

  Public
  A collection of automated tests created with the scope of reducing manual testing for the AMO weekly release.

  HTML

  •

  Other

  •1212 forks•88 stars•1010 issues•33 pull requests•Updated Jul 21, 2026Jul 21, 2026

• fx-desktop-qa-automation

  Public
  Automations of Fx Desktop release smoke tests

  HTML

  •

  Mozilla Public License 2.0

  •1818 forks•1313 stars•00 issues•1313 pull requests•Updated Jul 21, 2026Jul 21, 2026

• remote-settings-data-stage

  Public
  Git export of Remote Settings STAGE data

  FreeMarker

  •44 forks•33 stars•00 issues•00 pull requests•Updated Jul 21, 2026Jul 21, 2026

• addons-server

  Public
  🕶 addons.mozilla.org Django app and API 🎉

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •557557 forks•899899 stars•00 issues•2828 pull requests•Updated Jul 21, 2026Jul 21, 2026

• remote-settings-data

  Public
  Git export of Remote Settings data

  FreeMarker

  •66 forks•44 stars•00 issues•00 pull requests•Updated Jul 21, 2026Jul 21, 2026

• neqo

  Public
  Neqo, the Mozilla Firefox implementation of QUIC in Rust

  rustfirefoxmozilla+ 3

  rustfirefoxmozillaietfquichttp3

  Rust

  •

  Apache License 2.0

  •163163 forks•2.2k2.2k stars•124124 issues•4646 pull requests•Updated Jul 21, 2026Jul 21, 2026

• bedrock

  Public
  Making mozilla.org awesome, one pebble at a time

  javascriptcsspython+ 4

  javascriptcsspythonhtmlfirefoxdjangomozilla

  HTML

  •

  Mozilla Public License 2.0

  •973973 forks•1.3k1.3k stars•143143 issues•1212 pull requests•Updated Jul 21, 2026Jul 21, 2026

• blender

  Public
  Python

  •

  Mozilla Public License 2.0

  •22 forks•55 stars•1414 issues•44 pull requests•Updated Jul 21, 2026Jul 21, 2026

• addons-blog

  Public
  Blog content builder for AMO

  JavaScript

  •

  Mozilla Public License 2.0

  •33 forks•77 stars•1313 issues•55 pull requests•Updated Jul 21, 2026Jul 21, 2026

• bugbug

  Public
  Platform for Machine Learning projects on Software Engineering

  pythonmachine-learningai+ 4

  pythonmachine-learningaimldeveloper-toolssoftware-engineeringllm

  Python

  •

  Mozilla Public License 2.0

  •345345 forks•566566 stars•450450 issues•8080 pull requests•Updated Jul 21, 2026Jul 21, 2026

• supply-chain

  Public
  Aggregated audits for Rust crates by Mozilla

  Apache License 2.0

  •55 forks•4141 stars•00 issues•00 pull requests•Updated Jul 21, 2026Jul 21, 2026

• experimenter

  Public
  A web application for managing user experiments for Mozilla Firefox.

  product-delivery

  product-delivery

  Python

  •

  Mozilla Public License 2.0

  •229229 forks•145145 stars•378378 issues•1818 pull requests•Updated Jul 21, 2026Jul 21, 2026

• release-notes

  Public
  Release notes and system requirements for our various Firefoxen

  mozillabedrockrelease-notes+ 1

  mozillabedrockrelease-notesnucleus

  Python

  •

  Mozilla Public License 2.0

  •1212 forks•2727 stars•11 issue•00 pull requests•Updated Jul 21, 2026Jul 21, 2026

• remote-settings-data-dev

  Public
  Git export of Remote Settings DEV data

  FreeMarker

  •44 forks•22 stars•00 issues•00 pull requests•Updated Jul 21, 2026Jul 21, 2026

• ssdlc-actions

  Public
  Repo which contains the Github actions used in the Secure Software Development Lifecycle (SSDLC) workstreams

  Mozilla Public License 2.0

  •44 forks•00 stars•11 issue•00 pull requests•Updated Jul 21, 2026Jul 21, 2026

• extension-workshop

  Public
  Firefox Extension Workshop

  SCSS

  •154154 forks•119119 stars•5353 issues•99 pull requests•Updated Jul 21, 2026Jul 21, 2026

• addons-frontend

  Public
  Front-end to complement mozilla/addons-server

  reactreduxmozilla+ 2

  reactreduxmozillaaddonsamo

  JavaScript

  •

  Mozilla Public License 2.0

  •408408 forks•547547 stars•00 issues•3030 pull requests•Updated Jul 21, 2026Jul 21, 2026

• community-data

  Public
  The canonical source of Mozilla community data including contributors and forums.

  Perl

  •2020 forks•1818 stars•11 issue•00 pull requests•Updated Jul 21, 2026Jul 21, 2026

• addons-scanner-utils

  Public
  🛠 Various addons related helpers to build scanners.

  TypeScript

  •

  Mozilla Public License 2.0

  •77 forks•99 stars•00 issues•33 pull requests•Updated Jul 21, 2026Jul 21, 2026

• source-map

  Public
  Consume and generate source maps.

  JavaScript

  •

  Other

  •371371 forks•3.7k3.7k stars•4141 issues•2424 pull requests•Updated Jul 21, 2026Jul 21, 2026

• yara-x

  Public
  This is a Mozilla fork of yara-x for our own custom needs.

  Rust

  •

  BSD 3-Clause "New" or "Revised" License

  •11 fork•22 stars•11 issue•00 pull requests•Updated Jul 21, 2026Jul 21, 2026

• crash-clouseau

  Public
  Tool to help to find patches which are potentially responsible of a crash

  Python

  •55 forks•22 stars•55 issues•11 pull request•Updated Jul 21, 2026Jul 21, 2026

• web-ext

  Public
  A command line tool to help build, run, and test web extensions

  javascriptwebextensionwebextensions+ 2

  javascriptwebextensionwebextensionsbrowser-extensionadd-ons

  JavaScript

  •

  Mozilla Public License 2.0

  •382382 forks•3.1k3.1k stars•193193 issues•2727 pull requests•Updated Jul 21, 2026Jul 21, 2026

• fxa-content-server-l10n

  Public
  translated strings for Firefox accounts website

  Fluent

  •

  Mozilla Public License 2.0

  •5252 forks•2929 stars•11 issue•11 pull request•Updated Jul 21, 2026Jul 21, 2026

• media-triage

  Public
  Media Triage Dashboard

  C++

  •

  Mozilla Public License 2.0

  •77 forks•33 stars•22 issues•00 pull requests•Updated Jul 21, 2026Jul 21, 2026

• application-services

  Public
  Firefox Application Services

  firefoxsyncpush+ 1

  firefoxsyncpushfxa

  Rust

  •

  Other

  •272272 forks•668668 stars•11 issue•2626 pull requests•Updated Jul 21, 2026Jul 21, 2026

• mozdownload

  Public
  Easy to use download tool and API for different types of Firefox and Thunderbird builds

  Python

  •

  Other

  •7878 forks•8282 stars•2121 issues•22 pull requests•Updated Jul 21, 2026Jul 21, 2026

• fxa

  Public
  Monorepo for Mozilla Accounts (formerly Firefox Accounts)

  TypeScript

  •

  Mozilla Public License 2.0

  •237237 forks•682682 stars•1313 issues•3232 pull requests•Updated Jul 21, 2026Jul 21, 2026

• enterprise-firefox

  Public
  JavaScript

  •

  Other

  •3535 forks•2020 stars•00 issues•3333 pull requests•Updated Jul 21, 2026Jul 21, 2026