Repositories list

• experimenter

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

  product-delivery

  product-delivery

  Python

  •

  Mozilla Public License 2.0

  •222222 forks•143143 stars•363363 issues•99 pull requests•Updated Apr 25, 2026Apr 25, 2026

• mzkv

  Public
  Mozilla's zero-effort key value store for modernizing Firefox's storage stack.

  Rust

  •

  Mozilla Public License 2.0

  •00 forks•11 star•00 issues•11 pull request•Updated Apr 25, 2026Apr 25, 2026

• bigquery-etl

  Public
  Bigquery ETL

  Python

  •

  Mozilla Public License 2.0

  •135135 forks•334334 stars•124124 issues•121121 pull requests•Updated Apr 25, 2026Apr 25, 2026

• looker-hub

  Public
  Hub for Mozilla Looker models

  LookML

  •1717 forks•1717 stars•00 issues•00 pull requests•Updated Apr 25, 2026Apr 25, 2026

• looker-spoke-default

  Public
  Default repository for Looker spoke projects

  LookML

  •

  Mozilla Public License 2.0

  •1111 forks•1111 stars•00 issues•22 pull requests•Updated Apr 25, 2026Apr 25, 2026

• remote-settings-data-stage

  Public
  Git export of Remote Settings STAGE data

  FreeMarker

  •22 forks•11 star•00 issues•00 pull requests•Updated Apr 25, 2026Apr 25, 2026

• remote-settings-data

  Public
  Git export of Remote Settings data

  FreeMarker

  •33 forks•33 stars•00 issues•00 pull requests•Updated Apr 25, 2026Apr 25, 2026

• performance-data

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

  33 forks•66 stars•00 issues•00 pull requests•Updated Apr 25, 2026Apr 25, 2026

• skylight

  Public
  Firefox Messaging System (FxMS) insight and utilities

  TypeScript

  •

  Mozilla Public License 2.0

  •22 forks•88 stars•11 issue•2424 pull requests•Updated Apr 25, 2026Apr 25, 2026

• fxa-cms-l10n

  Public
  Fluent

  •55 forks•33 stars•00 issues•00 pull requests•Updated Apr 25, 2026Apr 25, 2026

• rhino

  Public
  Rhino is an open-source implementation of JavaScript written entirely in Java

  JavaScript

  •

  Other

  •922922 forks•4.6k4.6k stars•244244 issues•7474 pull requests•Updated Apr 25, 2026Apr 25, 2026

• fxa-content-server-l10n

  Public
  translated strings for Firefox accounts website

  Fluent

  •

  Mozilla Public License 2.0

  •5050 forks•2828 stars•00 issues•00 pull requests•Updated Apr 25, 2026Apr 25, 2026

• fxa

  Public
  Monorepo for Mozilla Accounts (formerly Firefox Accounts)

  TypeScript

  •

  Mozilla Public License 2.0

  •229229 forks•672672 stars•1515 issues•4141 pull requests•Updated Apr 25, 2026Apr 25, 2026

• remote-settings-data-dev

  Public
  Git export of Remote Settings DEV data

  FreeMarker

  •22 forks•11 star•00 issues•00 pull requests•Updated Apr 25, 2026Apr 25, 2026

• addons-server

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

  Python

  •

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

  •554554 forks•895895 stars•00 issues•3131 pull requests•Updated Apr 25, 2026Apr 25, 2026

• stab-crashes

  Public
  Stability Dashboard

  JavaScript

  •

  Other

  •1313 forks•1313 stars•1515 issues•44 pull requests•Updated Apr 25, 2026Apr 25, 2026

• limelight

  Public
  TypeScript

  •

  Mozilla Public License 2.0

  •22 forks•33 stars•2323 issues•1111 pull requests•Updated Apr 24, 2026Apr 24, 2026

• bugbug

  Public
  Platform for Machine Learning projects on Software Engineering

  pythonmachine-learningai+ 4

  pythonmachine-learningaimldeveloper-toolssoftware-engineeringllm

  Python

  •

  Mozilla Public License 2.0

  •330330 forks•563563 stars•421421 issues•4040 pull requests•Updated Apr 24, 2026Apr 24, 2026

• perfcompare

  Public
  Improved Performance Comparison Tool

  TypeScript

  •

  Mozilla Public License 2.0

  •9393 forks•5353 stars•77 issues•44 pull requests•Updated Apr 24, 2026Apr 24, 2026

• cubeb-coreaudio-rs

  Public
  The audio backend of Firefox on Mac OS X.

  Rust

  •

  ISC License

  •1616 forks•3030 stars•2222 issues•88 pull requests•Updated Apr 24, 2026Apr 24, 2026

• hnt-content

  Public
  Article crawling and extraction pipeline for Firefox New Tab content recommendations

  TypeScript

  •

  Mozilla Public License 2.0

  •00 forks•00 stars•00 issues•11 pull request•Updated Apr 24, 2026Apr 24, 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

  •00 forks•3232 stars•55 issues•66 pull requests•Updated Apr 24, 2026Apr 24, 2026

• releases-comm-central

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

  JavaScript

  •105105 forks•195195 stars•5353 issues•2424 pull requests•Updated Apr 24, 2026Apr 24, 2026

• blurts-server

  Public
  Mozilla Monitor arms you with tools to keep your personal information safe. Find out what hackers already know about you and learn how to stay a step ahead of t…

  firefoxdata-breach

  firefoxdata-breach

  Fluent

  •

  Mozilla Public License 2.0

  •310310 forks•909909 stars•2020 issues•1616 pull requests•Updated Apr 24, 2026Apr 24, 2026

• telemetry-airflow-dags

  Public
  DAGs collection for telemetry-airflow

  11 fork•1010 stars•00 issues•00 pull requests•Updated Apr 24, 2026Apr 24, 2026

• fx-private-relay

  Public
  Keep your email safe from hackers and trackers. Make an email alias with 1 click, and keep your address to yourself.

  Python

  •

  Other

  •253253 forks•1.7k1.7k stars•3030 issues•44 pull requests•Updated Apr 24, 2026Apr 24, 2026

• firefox-aidev-plugins

  Public
  A marketplace for distributing AI agent plugins to Firefox developers

  JavaScript

  •44 forks•44 stars•22 issues•44 pull requests•Updated Apr 24, 2026Apr 24, 2026

• application-services

  Public
  Firefox Application Services

  firefoxsyncpush+ 1

  firefoxsyncpushfxa

  Rust

  •

  Other

  •258258 forks•664664 stars•11 issue•2626 pull requests•Updated Apr 24, 2026Apr 24, 2026

• fx-desktop-qa-automation

  Public
  Automations of Fx Desktop release smoke tests

  HTML

  •

  Mozilla Public License 2.0

  •1616 forks•1212 stars•00 issues•1010 pull requests•Updated Apr 24, 2026Apr 24, 2026

• pontoon

  Public
  Mozilla's Localization Platform

  javascriptdesigndjango+ 4

  javascriptdesigndjangotranslationlocalizationmozillapontoon

  Python

  •

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

  •593593 forks•1.6k1.6k stars•330330 issues•55 pull requests•Updated Apr 24, 2026Apr 24, 2026