Repositories list

• standards-positions

  Public
  HTML

  •

  Mozilla Public License 2.0

  •8888 forks•761761 stars•355355 issues•00 pull requests•Updated Sep 30, 2026Sep 30, 2026

• fxa

  Public
  Monorepo for Mozilla Accounts (formerly Firefox Accounts)

  TypeScript

  •

  Mozilla Public License 2.0

  •238238 forks•686686 stars•1414 issues•2929 pull requests•Updated Sep 30, 2026Sep 30, 2026

• remote-settings-data-dev

  Public
  Git export of Remote Settings DEV data

  55 forks•22 stars•00 issues•00 pull requests•Updated Sep 30, 2026Sep 30, 2026

• bigquery-etl

  Public
  Bigquery ETL

  Python

  •

  Mozilla Public License 2.0

  •156156 forks•340340 stars•126126 issues•123123 pull requests•Updated Sep 30, 2026Sep 30, 2026

• experimenter

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

  product-delivery

  product-delivery

  Python

  •

  Mozilla Public License 2.0

  •230230 forks•152152 stars•430430 issues•1212 pull requests•Updated Sep 29, 2026Sep 29, 2026

• metric-hub

  Public
  Central hub for metric definitions that are considered the source of truth

  Python

  •

  Mozilla Public License 2.0

  •3636 forks•2222 stars•4545 issues•4646 pull requests•Updated Sep 29, 2026Sep 29, 2026

• code-review

  Public
  Automated static analysis & linting bot for Mozilla repositories

  static-analysismozillapython3+ 1

  static-analysismozillapython3code-review

  Python

  •

  Mozilla Public License 2.0

  •5353 forks•6767 stars•8787 issues•2626 pull requests•Updated Sep 29, 2026Sep 29, 2026

• looker-hub

  Public
  Hub for Mozilla Looker models

  LookML

  •2020 forks•1818 stars•00 issues•00 pull requests•Updated Sep 29, 2026Sep 29, 2026

• blender

  Public
  Python

  •

  Mozilla Public License 2.0

  •22 forks•66 stars•2424 issues•22 pull requests•Updated Sep 29, 2026Sep 29, 2026

• releases-comm-central

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

  JavaScript

  •115115 forks•195195 stars•5757 issues•2626 pull requests•Updated Sep 29, 2026Sep 29, 2026

• enterprise-firefox-try

  Public
  JavaScript

  •

  Other

  •4545 forks•22 stars•00 issues•00 pull requests•Updated Sep 29, 2026Sep 29, 2026

• telemetry-airflow-dags

  Public
  DAGs collection for telemetry-airflow

  22 forks•1010 stars•00 issues•00 pull requests•Updated Sep 29, 2026Sep 29, 2026

• PyFxA-Oxide

  Public
  Python

  •

  Other

  •22 forks•22 stars•00 issues•33 pull requests•Updated Sep 29, 2026Sep 29, 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 29, 2026Sep 29, 2026

• remote-settings-data

  Public
  Git export of Remote Settings data

  88 forks•44 stars•00 issues•00 pull requests•Updated Sep 29, 2026Sep 29, 2026

• protocol

  Public
  A design system for Mozilla websites.

  SCSS

  •

  Mozilla Public License 2.0

  •8383 forks•299299 stars•6565 issues•1818 pull requests•Updated Sep 29, 2026Sep 29, 2026

• eslint-plugin-amo

  Public
  ⛑ ESLint plugin for AMO.

  JavaScript

  •

  Mozilla Public License 2.0

  •44 forks•88 stars•22 issues•00 pull requests•Updated Sep 29, 2026Sep 29, 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

  •387387 forks•3.1k3.1k stars•193193 issues•3030 pull requests•Updated Sep 29, 2026Sep 29, 2026

• addons-linter

  Public
  🔍 Firefox Add-ons linter, written in JavaScript. 👁

  cliweb-extensions

  cliweb-extensions

  JavaScript

  •

  Mozilla Public License 2.0

  •162162 forks•363363 stars•5858 issues•22 pull requests•Updated Sep 29, 2026Sep 29, 2026

• addons-scanner-utils

  Public
  🛠 Various addons related helpers to build scanners.

  TypeScript

  •

  Mozilla Public License 2.0

  •99 forks•1010 stars•33 issues•33 pull requests•Updated Sep 29, 2026Sep 29, 2026

• neqo

  Public
  Neqo, the Mozilla Firefox implementation of QUIC in Rust

  rustfirefoxmozilla+ 3

  rustfirefoxmozillaietfquichttp3

  Rust

  •

  Apache License 2.0

  •171171 forks•2.2k2.2k stars•125125 issues•6565 pull requests•Updated Sep 29, 2026Sep 29, 2026

• probe-scraper

  Public
  Scrape and publish Telemetry probe data from Firefox

  firefoxtelemetry

  firefoxtelemetry

  Python

  •

  Mozilla Public License 2.0

  •7373 forks•2626 stars•7777 issues•77 pull requests•Updated Sep 29, 2026Sep 29, 2026

• data-docs

  Public
  A guide for Mozilla's developers and data scientists to analyze and interpret the data gathered by our data collection systems.

  documentationmozillamozilla-telemetry

  documentationmozillamozilla-telemetry

  Shell

  •

  Mozilla Public License 2.0

  •190190 forks•101101 stars•00 issues•22 pull requests•Updated Sep 29, 2026Sep 29, 2026

• pdf.js.comparator

  Public
  JavaScript

  •

  Other

  •33 forks•22 stars•11 issue•00 pull requests•Updated Sep 29, 2026Sep 29, 2026

• moz-l10n

  Public
  Python and JavaScript tools for working with Mozilla localization files

  Python

  •1414 forks•1212 stars•2323 issues•66 pull requests•Updated Sep 29, 2026Sep 29, 2026

• www.ccadb.org

  Public
  Website about the Common CA Database

  HTML

  •1515 forks•1818 stars•1111 issues•00 pull requests•Updated Sep 29, 2026Sep 29, 2026

• docker-etl

  Public
  Collection of dockerized ETL jobs managed by data engineering.

  Python

  •

  Mozilla Public License 2.0

  •2424 forks•2424 stars•44 issues•3030 pull requests•Updated Sep 29, 2026Sep 29, 2026

• treeherder

  Public
  A system for managing CI data for Mozilla projects

  reactpythondocker+ 7

  reactpythondockerdjangocontinuous-integrationdocker-composereactjsdjango-rest-frameworkmozillatreeherder

  Python

  •

  Other

  •390390 forks•275275 stars•00 issues•121121 pull requests•Updated Sep 29, 2026Sep 29, 2026

• remote-settings-data-stage

  Public
  Git export of Remote Settings STAGE data

  55 forks•55 stars•00 issues•00 pull requests•Updated Sep 29, 2026Sep 29, 2026

• kitsune

  Public
  Platform for Mozilla Support

  Python

  •

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

  •914914 forks•1.7k1.7k stars•1515 issues•2222 pull requests•Updated Sep 29, 2026Sep 29, 2026