Repositories list

• addons-server

  Public

  mozilla/addons-server’s past year of commit activity
  🕶 addons.mozilla.org Django app and API 🎉

  Python

  •

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

  •550•889•0•19•Updated Jan 19, 2026Jan 19, 2026

• version-control-tools

  Public
  Mirror of https://hg.mozilla.org/hgcustom/version-control-tools

  Python

  •

  Mozilla Public License 2.0

  •34•30•0•0•Updated Jan 19, 2026Jan 19, 2026

• addons-frontend

  Public

  mozilla/addons-frontend’s past year of commit activity
  Front-end to complement mozilla/addons-server

  reactreduxmozilla+ 2addonsamo

  JavaScript

  •

  Mozilla Public License 2.0

  •402•541•0•13•Updated Jan 19, 2026Jan 19, 2026

• sccache

  Public

  mozilla/sccache’s past year of commit activity
  Sccache is a ccache-like tool. It is used as a compiler wrapper and avoids compilation when possible. Sccache has the capability to utilize caching in remote storage environments, including various cloud storage options, or alternatively, in local storage.

  Rust

  •

  Apache License 2.0

  •625•6.9k•374•49•Updated Jan 19, 2026Jan 19, 2026

• extension-workshop

  Public

  mozilla/extension-workshop’s past year of commit activity
  Firefox Extension Workshop

  SCSS

  •148•114•52•4•Updated Jan 19, 2026Jan 19, 2026

• neqo

  Public

  mozilla/neqo’s past year of commit activity
  Neqo, the Mozilla Firefox implementation of QUIC in Rust

  rustfirefoxmozilla+ 3ietfquichttp3

  Rust

  •

  Apache License 2.0

  •148•2.1k•110•25•Updated Jan 19, 2026Jan 19, 2026

• web-ext

  Public

  mozilla/web-ext’s past year of commit activity
  A command line tool to help build, run, and test web extensions

  javascriptwebextensionwebextensions+ 2browser-extensionadd-ons

  JavaScript

  •

  Mozilla Public License 2.0

  •376•3k•194•21•Updated Jan 19, 2026Jan 19, 2026

• bigquery-etl

  Public

  mozilla/bigquery-etl’s past year of commit activity
  Bigquery ETL

  Python

  •

  Mozilla Public License 2.0

  •125•325•122•88•Updated Jan 19, 2026Jan 19, 2026

• releases-comm-central

  Public

  mozilla/releases-comm-central’s past year of commit activity
  EXPERIMENTAL - copy of comm-central for forking on github

  JavaScript

  •104•193•52•24•Updated Jan 19, 2026Jan 19, 2026

• performance-data

  Public

  mozilla/performance-data’s past year of commit activity
  Respository to hold various performance data that is hosted on the performance dashboard.

  3•4•0•0•Updated Jan 19, 2026Jan 19, 2026

• looker-spoke-default

  Public

  mozilla/looker-spoke-default’s past year of commit activity
  Default repository for Looker spoke projects

  LookML

  •

  Mozilla Public License 2.0

  •10•11•0•2•Updated Jan 19, 2026Jan 19, 2026

• looker-hub

  Public

  mozilla/looker-hub’s past year of commit activity
  Hub for Mozilla Looker models

  LookML

  •17•16•0•0•Updated Jan 19, 2026Jan 19, 2026

• classify-client

  Public

  mozilla/classify-client’s past year of commit activity
  An optimized version of the classify client endpoint in Normandy

  normandyproduct-delivery

  Rust

  •

  Mozilla Public License 2.0

  •8•12•3•1•Updated Jan 19, 2026Jan 19, 2026

• glean

  Public

  mozilla/glean’s past year of commit activity
  Modern cross-platform telemetry

  Rust

  •

  Mozilla Public License 2.0

  •155•433•0•8•Updated Jan 19, 2026Jan 19, 2026

• enterprise-firefox

  Public
  JavaScript

  •

  Other

  •10•9•0•20•Updated Jan 19, 2026Jan 19, 2026

• rhino

  Public

  mozilla/rhino’s past year of commit activity
  Rhino is an open-source implementation of JavaScript written entirely in Java

  JavaScript

  •

  Other

  •906•4.5k•236•74•Updated Jan 19, 2026Jan 19, 2026

• uniffi-rs

  Public

  mozilla/uniffi-rs’s past year of commit activity
  a multi-language bindings generator for rust

  rust-crateffi-layer

  Rust

  •

  Mozilla Public License 2.0

  •290•4.2k•251•22•Updated Jan 19, 2026Jan 19, 2026

• fxa

  Public

  mozilla/fxa’s past year of commit activity
  Monorepo for Mozilla Accounts (formerly Firefox Accounts)

  TypeScript

  •

  Mozilla Public License 2.0

  •218•663•15•24•Updated Jan 19, 2026Jan 19, 2026

• bugbug

  Public

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

  pythonmachine-learningai+ 4mldeveloper-toolssoftware-engineeringllm

  Python

  •

  Mozilla Public License 2.0

  •321•557•386•71•Updated Jan 19, 2026Jan 19, 2026

• experimenter

  Public

  mozilla/experimenter’s past year of commit activity
  A web application for managing user experiments for Mozilla Firefox.

  product-delivery

  Python

  •

  Mozilla Public License 2.0

  •218•140•322•13•Updated Jan 19, 2026Jan 19, 2026

• jira-bugzilla-integration

  Public

  mozilla/jira-bugzilla-integration’s past year of commit activity
  Jira Bugzilla Integration (JBI) - system to sync bugs and issues

  Python

  •

  Mozilla Public License 2.0

  •27•12•40•5•Updated Jan 19, 2026Jan 19, 2026

• FoxPuppet

  Public

  mozilla/FoxPuppet’s past year of commit activity
  Python

  •

  Other

  •15•19•15•5•Updated Jan 19, 2026Jan 19, 2026

• treeherder

  Public

  mozilla/treeherder’s past year of commit activity
  A system for managing CI data for Mozilla projects

  reactpythondocker+ 7djangocontinuous-integrationdocker-composereactjsdjango-rest-frameworkmozillatreeherder

  Python

  •

  Other

  •373•271•0•90•Updated Jan 19, 2026Jan 19, 2026

• klaatu

  Public

  mozilla/klaatu’s past year of commit activity
  Python

  •

  Mozilla Public License 2.0

  •2•5•9•14•Updated Jan 19, 2026Jan 19, 2026

• fx-private-relay

  Public

  mozilla/fx-private-relay’s past year of commit activity
  Keep your email safe from hackers and trackers. Make an email alias with 1 click, and keep your address to yourself.

  Python

  •

  Other

  •244•1.7k•32•9•Updated Jan 19, 2026Jan 19, 2026

• blurts-server

  Public

  mozilla/blurts-server’s past year of commit activity
  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 them.

  firefoxdata-breach

  Fluent

  •

  Mozilla Public License 2.0

  •292•879•20•11•Updated Jan 19, 2026Jan 19, 2026

• stab-crashes

  Public

  mozilla/stab-crashes’s past year of commit activity
  Stability Dashboard

  JavaScript

  •

  Other

  •13•13•15•4•Updated Jan 19, 2026Jan 19, 2026

• fxa-content-server-l10n

  Public

  mozilla/fxa-content-server-l10n’s past year of commit activity
  translated strings for Firefox accounts website

  Fluent

  •

  Mozilla Public License 2.0

  •49•27•0•1•Updated Jan 18, 2026Jan 18, 2026

• pdf.js

  Public

  mozilla/pdf.js’s past year of commit activity
  PDF Reader in JavaScript

  JavaScript

  •

  Apache License 2.0

  •11k•53k•442•59•Updated Jan 18, 2026Jan 18, 2026

• remote-settings

  Public
  Delivering data to Firefox

  product-delivery

  Python

  •

  Apache License 2.0

  •13•20•44•11•Updated Jan 18, 2026Jan 18, 2026