Repositories list

• nss-rs

  Public

  mozilla/nss-rs’s past year of commit activity
  nss-rs provides a safe and idiomatic Rust interface to NSS

  rustfirefoxmozilla+ 1

  rustfirefoxmozillanss

  Rust

  •

  Apache License 2.0

  •44 forks•33 stars•11 issue•44 pull requests•Updated May 18, 2026May 18, 2026

• addons-frontend

  Public
  Front-end to complement mozilla/addons-server

  reactreduxmozilla+ 2

  reactreduxmozillaaddonsamo

  JavaScript

  •

  Mozilla Public License 2.0

  •405405 forks•545545 stars•00 issues•2323 pull requests•Updated May 18, 2026May 18, 2026

• fx-desktop-qa-automation

  Public
  Automations of Fx Desktop release smoke tests

  HTML

  •

  Mozilla Public License 2.0

  •1717 forks•1313 stars•00 issues•99 pull requests•Updated May 18, 2026May 18, 2026

• addons-server

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

  Python

  •

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

  •557557 forks•896896 stars•00 issues•3636 pull requests•Updated May 18, 2026May 18, 2026

• treeherder

  Public
  A system for managing CI data for Mozilla projects

  reactpythondocker+ 7

  reactpythondockerdjangocontinuous-integrationdocker-composereactjsdjango-rest-frameworkmozillatreeherder

  Python

  •

  Other

  •383383 forks•274274 stars•00 issues•142142 pull requests•Updated May 18, 2026May 18, 2026

• fxa-cms-l10n

  Public
  Fluent

  •55 forks•44 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• fxa

  Public
  Monorepo for Mozilla Accounts (formerly Firefox Accounts)

  TypeScript

  •

  Mozilla Public License 2.0

  •230230 forks•675675 stars•1515 issues•3737 pull requests•Updated May 18, 2026May 18, 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

  •00 forks•22 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• remote-settings-data-stage

  Public

  mozilla/remote-settings-data-stage’s past year of commit activity
  Git export of Remote Settings STAGE data

  FreeMarker

  •22 forks•22 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• enterprise-firefox-try

  Public
  JavaScript

  •

  Other

  •3131 forks•22 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• extension-workshop

  Public
  Firefox Extension Workshop

  SCSS

  •151151 forks•116116 stars•5252 issues•77 pull requests•Updated May 18, 2026May 18, 2026

• addons-scanner-utils

  Public
  🛠 Various addons related helpers to build scanners.

  TypeScript

  •

  Mozilla Public License 2.0

  •66 forks•99 stars•00 issues•33 pull requests•Updated May 18, 2026May 18, 2026

• enterprise-firefox

  Public
  JavaScript

  •

  Other

  •3131 forks•1717 stars•00 issues•3939 pull requests•Updated May 18, 2026May 18, 2026

• symbol-scrapers

  Public
  A bunch of scripts to scrape symbols from Linux distributions

  Shell

  •

  Apache License 2.0

  •77 forks•2020 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• remote-settings-data

  Public

  mozilla/remote-settings-data’s past year of commit activity
  Git export of Remote Settings data

  FreeMarker

  •33 forks•44 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• remote-settings

  Public
  Delivering data to Firefox

  product-delivery

  product-delivery

  Python

  •

  Apache License 2.0

  •1313 forks•2121 stars•3737 issues•33 pull requests•Updated May 18, 2026May 18, 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

  •108108 forks•196196 stars•5555 issues•2525 pull requests•Updated May 18, 2026May 18, 2026

• remote-settings-data-dev

  Public

  mozilla/remote-settings-data-dev’s past year of commit activity
  Git export of Remote Settings DEV data

  FreeMarker

  •22 forks•22 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 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.

  33 forks•77 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• fxa-content-server-l10n

  Public
  translated strings for Firefox accounts website

  Fluent

  •

  Mozilla Public License 2.0

  •5050 forks•2929 stars•11 issue•00 pull requests•Updated May 18, 2026May 18, 2026

• media-triage

  Public

  mozilla/media-triage’s past year of commit activity
  Media Triage Dashboard

  C++

  •

  Mozilla Public License 2.0

  •66 forks•33 stars•22 issues•00 pull requests•Updated May 18, 2026May 18, 2026

• foundation-security-advisories

  Public
  Canonical source for Mozilla Foundation Security Advisories. http://www.mozilla.org/security/announce/

  Python

  •

  Mozilla Public License 2.0

  •3535 forks•2323 stars•11 issue•00 pull requests•Updated May 18, 2026May 18, 2026

• probe-scraper

  Public
  Scrape and publish Telemetry probe data from Firefox

  firefoxtelemetry

  firefoxtelemetry

  Python

  •

  Mozilla Public License 2.0

  •7070 forks•2525 stars•7373 issues•66 pull requests•Updated May 18, 2026May 18, 2026

• classify-client

  Public
  An optimized version of the classify client endpoint in Normandy

  normandyproduct-delivery

  normandyproduct-delivery

  Rust

  •

  Mozilla Public License 2.0

  •88 forks•1313 stars•33 issues•11 pull request•Updated May 18, 2026May 18, 2026

• glean

  Public
  Modern cross-platform telemetry

  Rust

  •

  Mozilla Public License 2.0

  •170170 forks•447447 stars•00 issues•1111 pull requests•Updated May 18, 2026May 18, 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

  •3535 forks•164164 stars•00 issues•33 pull requests•Updated May 18, 2026May 18, 2026

• actions

  Public

  mozilla/actions’s past year of commit activity
  GitHub actions shared by various Mozilla projects

  Rust

  •

  Apache License 2.0

  •22 forks•11 star•00 issues•11 pull request•Updated May 18, 2026May 18, 2026

• cicd-demos

  Public

  mozilla/cicd-demos’s past year of commit activity
  Repository to contain example applications using recommended CICD tooling

  Shell

  •

  Mozilla Public License 2.0

  •22 forks•11 star•00 issues•22 pull requests•Updated May 18, 2026May 18, 2026

• experimenter

  Public

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

  product-delivery

  product-delivery

  Python

  •

  Mozilla Public License 2.0

  •224224 forks•144144 stars•368368 issues•1111 pull requests•Updated May 18, 2026May 18, 2026

• pdf.js.comparator

  Public

  mozilla/pdf.js.comparator’s past year of commit activity
  Shell

  •

  Other

  •00 forks•00 stars•00 issues•00 pull requests•Updated May 18, 2026May 18, 2026