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mozilla repositories

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mozilla/BrowserQuestJavaScript

DEPRECATED - A HTML5/JavaScript multiplayer game experiment

Last commit Jul 14, 2023

 (9,215 stars) (2,831 forks) (0 indexed issues) (0 open good first issues)
mozilla/DeepSpeechC++

DeepSpeech is an open source embedded (offline, on-device) speech-to-text engine which can run in real time on devices ranging from a Raspberry Pi 4 to high power GPU servers.

Last commit Jun 19, 2025

 (26,755 stars) (4,093 forks) (30 indexed issues) (30 open good first issues)
mozilla/FiraCSS

DEPRECATED - Mozilla's new typeface, used in Firefox OS

Last commit Dec 16, 2020

 (5,163 stars) (306 forks) (0 indexed issues) (0 open good first issues)
mozilla/FirefoxColorJavaScript

Theming demo for Firefox Quantum and beyond

Last commit Jun 23, 2023

 (501 stars) (98 forks) (0 indexed issues) (0 open good first issues)
mozilla/MotionMarkJavaScript

MotionMark Browser Benchmark

Last commit Aug 18, 2023

 (4 stars) (0 forks) (0 indexed issues) (0 open good first issues)
mozilla/OpenWPM-WebExtension-ExperimentJavaScript

SUPERSEEDED/REPLACED this approach by using the existing WebExtension APIs directly (previous explanation: WebExtension experiments API for privacy-related browser instrumentation that requires privileged code)

Last commit Jul 30, 2018

 (4 stars) (1 fork) (0 indexed issues) (0 open good first issues)
mozilla/SpeedometerJavaScript

An open source repository for the Speedometer benchmark

Last commit Jun 1, 2026

 (5 stars) (3 forks) (0 indexed issues) (0 open good first issues)
mozilla/addon-sdk

DEPRECATED - The Add-on SDK repository.

Last commit Sep 9, 2016

 (638 stars) (259 forks) (0 indexed issues) (0 open good first issues)
mozilla/addons-canaryJavaScript

A canary add-on to test blocks

Last commit Jan 19, 2021

 (4 stars) (1 fork) (0 indexed issues) (0 open good first issues)
mozilla/adrPython

Runner library for ActiveData recipes

Last commit Mar 19, 2021

 (4 stars) (8 forks) (2 indexed issues) (2 open good first issues)
mozilla/agithubPython

Agnostic Github client API -- An EDSL for connecting to REST servers

Last commit Jun 24, 2024

 (429 stars) (67 forks) (2 indexed issues) (2 open good first issues)
mozilla/avocadoJavaScript

Avocado is a dashboard for rich insights into the health of the Firefox Experiments Program

Last commit Jan 3, 2024

 (2 stars) (5 forks) (0 indexed issues) (0 open good first issues)
mozilla/awsboxJavaScript

INACTIVE - http://mzl.la/ghe-archive - A featherweight PaaS on top of Amazon EC2 for deploying node apps

Last commit Mar 28, 2019

 (810 stars) (85 forks) (0 indexed issues) (0 open good first issues)
mozilla/buddyupJavaScript

The UI repo for the buddy-up realtime support FirefoxOS app

Last commit Nov 10, 2015

 (11 stars) (19 forks) (0 indexed issues) (0 open good first issues)
mozilla/butterJavaScript

Popcorn Authoring Library

Last commit Nov 11, 2013

 (283 stars) (141 forks) (0 indexed issues) (0 open good first issues)
mozilla/chromelessJavaScript

DEPRECATED - Build desktop applications with web technologies.

Last commit Oct 15, 2019

 (761 stars) (129 forks) (0 indexed issues) (0 open good first issues)
mozilla/cubeb-coreaudio-rsRust

The audio backend of Firefox on Mac OS X.

Last commit Jun 8, 2026

 (32 stars) (20 forks) (1 indexed issue) (1 open good first issue)
mozilla/deepspeech-playbook

DEPRECATED - A crash course for training speech recognition models using DeepSpeech.

Last commit May 16, 2021

 (24 stars) (6 forks) (0 indexed issues) (0 open good first issues)
mozilla/devtools-perf-gameJavaScript

INACTIVE - http://mzl.la/ghe-archive - Power Surge - A Firefox Developer Edition Performance Tools Celebration!

Last commit Jun 8, 2015

 (65 stars) (32 forks) (0 indexed issues) (0 open good first issues)
mozilla/dxrPython

DEPRECATED - Powerful search for large codebases

Last commit Oct 13, 2021

 (805 stars) (219 forks) (0 indexed issues) (0 open good first issues)