Repositories list

• addons-scanner-utils

  Public
  🛠 Various addons related helpers to build scanners.

  TypeScript

  •

  Mozilla Public License 2.0

  •88 forks•1010 stars•00 issues•88 pull requests•Updated Sep 7, 2026Sep 7, 2026

• bmo

  Public
  bugzilla.mozilla.org source - report issues here: https://bugzilla.mozilla.org/enter_bug.cgi?product=bugzilla.mozilla.org

  perl

  perl

  Perl

  •

  Mozilla Public License 2.0

  •205205 forks•171171 stars•00 issues•2020 pull requests•Updated Sep 7, 2026Sep 7, 2026

• geckoview

  Public
  GeckoView is a set of components for embedding Gecko in Android apps

  HTML

  •5555 forks•549549 stars•105105 issues•44 pull requests•Updated Sep 7, 2026Sep 7, 2026

• performance-data

  Public
  Respository to hold various performance data that is hosted on the performance dashboard.

  JavaScript

  •55 forks•1111 stars•00 issues•00 pull requests•Updated Sep 7, 2026Sep 7, 2026

• stab-crashes

  Public
  Stability Dashboard

  JavaScript

  •

  Other

  •1515 forks•1313 stars•1414 issues•33 pull requests•Updated Sep 7, 2026Sep 7, 2026

• remote-settings-data-stage

  Public
  Git export of Remote Settings STAGE data

  55 forks•33 stars•00 issues•00 pull requests•Updated Sep 7, 2026Sep 7, 2026

• crash-clouseau

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

  Python

  •55 forks•33 stars•55 issues•22 pull requests•Updated Sep 7, 2026Sep 7, 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•150150 stars•440440 issues•2323 pull requests•Updated Sep 7, 2026Sep 7, 2026

• remote-settings-data

  Public
  Git export of Remote Settings data

  77 forks•44 stars•00 issues•00 pull requests•Updated Sep 7, 2026Sep 7, 2026

• fxa-content-server-l10n

  Public
  translated strings for Firefox accounts website

  Fluent

  •

  Mozilla Public License 2.0

  •5050 forks•2929 stars•11 issue•11 pull request•Updated Sep 7, 2026Sep 7, 2026

• releases-comm-central

  Public
  EXPERIMENTAL - copy of comm-central for forking on github

  JavaScript

  •114114 forks•194194 stars•5656 issues•2626 pull requests•Updated Sep 7, 2026Sep 7, 2026

• enterprise-firefox-try

  Public
  JavaScript

  •

  Other

  •4040 forks•22 stars•00 issues•00 pull requests•Updated Sep 7, 2026Sep 7, 2026

• nucleus

  Public
  Modern publishing for mozilla.org

  pythondjangomozilla

  pythondjangomozilla

  Python

  •

  Mozilla Public License 2.0

  •2626 forks•2121 stars•88 issues•2121 pull requests•Updated Sep 7, 2026Sep 7, 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•148148 issues•1717 pull requests•Updated Sep 7, 2026Sep 7, 2026

• firefox-dev

  Public
  The official development repository of Mozilla's Firefox web browser.

  JavaScript

  •

  Other

  •1.5k1.5k forks•22 stars•00 issues•00 pull requests•Updated Sep 7, 2026Sep 7, 2026

• terraform-modules

  Public
  Cross-SRE Terraform modules

  HCL

  •66 forks•1515 stars•00 issues•1818 pull requests•Updated Sep 7, 2026Sep 7, 2026

• happy-eyeballs

  Public
  State machine implementation of Happy Eyeballs v3 in Rust

  Rust

  •

  Apache License 2.0

  •44 forks•1414 stars•1111 issues•66 pull requests•Updated Sep 7, 2026Sep 7, 2026

• firefox-devtools-mcp

  Public
  Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through the Remote Debugging Protocol

  firefoxmcpmcp-server+ 1

  firefoxmcpmcp-serverclaude-code

  TypeScript

  •

  Other

  •5959 forks•395395 stars•00 issues•44 pull requests•Updated Sep 7, 2026Sep 7, 2026

• pdf.js.comparator

  Public
  JavaScript

  •

  Other

  •33 forks•11 star•22 issues•11 pull request•Updated Sep 7, 2026Sep 7, 2026

• node-fx-runner

  Public
  Node API to control Firefox

  JavaScript

  •

  Mozilla Public License 2.0

  •2121 forks•1515 stars•55 issues•88 pull requests•Updated Sep 7, 2026Sep 7, 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 Sep 7, 2026Sep 7, 2026

• nss-rs

  Public
  nss-rs provides a safe and idiomatic Rust interface to NSS

  rustfirefoxmozilla+ 1

  rustfirefoxmozillanss

  Rust

  •

  Apache License 2.0

  •1212 forks•55 stars•1414 issues•1717 pull requests•Updated Sep 7, 2026Sep 7, 2026

• stmo-cli

  Public
  Turn Claude Code into a data analyst on sql.telemetry.mozilla.org

  Rust

  •

  Mozilla Public License 2.0

  •88 forks•77 stars•00 issues•00 pull requests•Updated Sep 7, 2026Sep 7, 2026

• ssdlc-actions

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

  Mozilla Public License 2.0

  •66 forks•00 stars•22 issues•33 pull requests•Updated Sep 7, 2026Sep 7, 2026

• pilo

  Public
  A powerful AI-powered web automation tool that helps you get answers and take actions in the browser.

  TypeScript

  •

  Apache License 2.0

  •1414 forks•9898 stars•2525 issues•1212 pull requests•Updated Sep 7, 2026Sep 7, 2026

• extension-workshop

  Public
  Firefox Extension Workshop

  SCSS

  •153153 forks•120120 stars•5353 issues•1818 pull requests•Updated Sep 7, 2026Sep 7, 2026

• bugbug

  Public

  mozilla/bugbug’s past year of commit activity
  Platform for Machine Learning projects on Software Engineering

  pythonmachine-learningai+ 4

  pythonmachine-learningaimldeveloper-toolssoftware-engineeringllm

  Python

  •

  Mozilla Public License 2.0

  •351351 forks•569569 stars•575575 issues•9292 pull requests•Updated Sep 7, 2026Sep 7, 2026

• pontoon

  Public
  Mozilla's Localization Platform

  javascriptdesigndjango+ 4

  javascriptdesigndjangotranslationlocalizationmozillapontoon

  Python

  •

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

  •608608 forks•1.7k1.7k stars•314314 issues•22 pull requests•Updated Sep 7, 2026Sep 7, 2026

• markfluence

  Public
  Markdown-centric Confluence cli tool

  Go

  •

  Mozilla Public License 2.0

  •00 forks•22 stars•2121 issues•00 pull requests•Updated Sep 7, 2026Sep 7, 2026

• libmozdata

  Public
  Library to access and aggregate several Mozilla data sources.

  Python

  •

  Other

  •1818 forks•1212 stars•2525 issues•1212 pull requests•Updated Sep 7, 2026Sep 7, 2026