pdf.js
PDF Reader in JavaScriptDeepSpeech
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.send
Simple, private file sharing from the makers of Firefoxsops
Simple and flexible tool for managing secretsBrowserQuest
A HTML5/JavaScript multiplayer game experimentnunjucks
A powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired)geckodriver
WebDriver for FirefoxTTS
🤖 💬 Deep learning for Text to Speech (Discussion forum: https://discourse.mozilla.org/c/tts)readability
A standalone version of the readability libmozjpeg
Improved JPEG encoder.Fira
Mozilla's new typeface, used in Firefox OSsccache
sccache is ccache with cloud storagerhino
Rhino is an open-source implementation of JavaScript written entirely in Javashumway
Shumway is a Flash VM and runtime written in JavaScriptsource-map
Consume and generate source maps.gecko-dev
Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org. How to contribute: https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.htmlbleach
Bleach is an allowed-list-based HTML sanitizing library that escapes or strips markup and attributesmulti-account-containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.web-ext
A command line tool to help build, run, and test web extensionsnode-convict
Featureful configuration management library for Node.jsMozDef
DEPRECATED - MozDef: Mozilla Enterprise Defense Platformpopcorn-js
The HTML5 Media Framework. (Unmaintained. See https://github.com/menismu/popcorn-js for activity)webextension-polyfill
A lightweight polyfill library for Promise-based WebExtension APIs in Chromefathom
A framework for extracting meaning from web pagescipherscan
A very simple way to find out which SSL ciphersuites are supported by a target.hawk
HTTP Holder-Of-Key Authentication Schemecbindgen
A project for generating C bindings from Rust codepersona
Persona is a secure, distributed, and easy to use identification system.http-observatory
Mozilla HTTP Observatoryuniffi-rs
a multi-language bindings generator for rustneqo
mentat
UNMAINTAINED A persistent, relational store inspired by Datomic and DataScript.task.js
Beautiful concurrency for JavaScripthubs
Duck-themed multi-user virtual spaces in WebVR. Built with A-Frame.thimble.mozilla.org
UPDATE: This project is no longer maintained. Please check out Glitch.com instead.pontoon
Mozilla's Localization Platformfx-private-relay
Keep your email safe from hackers and trackers. Make an email alias with 1 click, and keep your address to yourself.mig
Distributed & real time digital forensics at the speed of the cloudkitsune
Platform for Mozilla SupportOpenWPM
A web privacy measurement frameworkbedrock
Making mozilla.org awesome, one pebble at a timeserver-side-tls
Server side TLS Toolsgrcov
Rust tool to collect and aggregate code coverage data for multiple source filespdfjs-dist
Generic build of PDF.js library.contain-facebook
Facebook Container isolates your Facebook activity from the rest of your web activity in order to prevent Facebook from tracking you outside of the Facebook website via third party cookies.narcissus
INACTIVE - http://mzl.la/ghe-archive - The Narcissus meta-circular JavaScript interpreterrust-android-gradle
openbadges-backpack
Mozilla Open Badges Backpackaddons-server
🕶 addons.mozilla.org Django app and API 🎉awsbox
INACTIVE - http://mzl.la/ghe-archive - A featherweight PaaS on top of Amazon EC2 for deploying node appsdxr
DEPRECATED - Powerful search for large codebasesssh_scan
DEPRECATED - A prototype SSH configuration and policy scanner (Blog: https://mozilla.github.io/ssh_scan/)chromeless
DEPRECATED - Build desktop applications with web technologies.node-client-sessions
secure sessions stored in cookiesplaydoh
PROJECT DEPRECATED (WAS: "Mozilla's Web application base template. Half Django, half awesomeness, half not good at math.")DeepSpeech-examples
Examples of how to use or integrate DeepSpeechtofino
Project Tofino is a browser interaction experiment.blurts-server
Firefox 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.addon-sdk
DEPRECATED - The Add-on SDK repository.MozStumbler
Android Stumbler for Mozillalightbeam
Orignal unmaintained version of the Lightbeam extension. See lightbeam-we for the new one which works in modern versions of Firefox.firefox-translations
Firefox Translations is a webextension that enables client side translations for web browsers.moz-sql-parser
DEPRECATED - Let's make a SQL parser so we can provide a familiar interface to non-sql datastores!spidernode
Node.js on top of SpiderMonkeystandards-positions
inclusion
Our repository for Diversity, Equity and Inclusion work at Mozillapositron
a experimental, Electron-compatible runtime on top of Geckoapplication-services
Firefox Application Servicescargo-vet
supply-chain security for Rustfxa
Monorepo for Firefox Accountsaddons-frontend
Front-end to complement mozilla/addons-serverichnaea
Mozilla Ichnaeatls-observatory
An observatory for TLS configurations, X509 certificates, and more.neo
INACTIVE - http://mzl.la/ghe-archive - DEPRECATED: See https://neutrino.js.org for alternativenotes
DEPRECATED - A notepad for Firefoxdjango-csp
Content Security Policy for Django.skywriter
Mozilla SkywriterSpoke
Easily create custom 3D environmentszamboni
Backend for the Firefox Marketplacebugbug
Platform for Machine Learning projects on Software Engineeringnixpkgs-mozilla
Mozilla overlay for Nixpkgs.vtt.js
A JavaScript implementation of the WebVTT specificationlibdweb
Extension containing an experimental libdweb APIspointer.js
INACTIVE - http://mzl.la/ghe-archive - INACTIVE - http://mzl.la/ghe-archive - Normalizes mouse/touch events into 'pointer' events.FirefoxColor
Theming demo for Firefox Quantum and beyondcubeb
Cross platform audio libraryagithub
Agnostic Github client API -- An EDSL for connecting to REST serversfxa-auth-server
DEPRECATED - Migrated to https://github.com/mozilla/fxar2d2b2g
Firefox OS Simulator is a test environment for Firefox OS. Use it to test your apps in a Firefox OS-like environment that looks and feels like a mobile phone.masche
Deprecated - MIG Memory Forensic libraryqbrt
CLI to a Gecko desktop app runtimemozilla-django-oidc
A django OpenID Connect libraryzilla-slab
Mozilla's Zilla Slab Type Familymp4parse-rust
Parser for ISO Base Media Format aka video/mp4 written in Rust.valence
INACTIVE - http://mzl.la/ghe-archive - Firefox Developer Tools protocol adapters (Unmaintained)OpenDesign
Mozilla Open Design aims to bring open source principles to Creative Design. Find us on Matrix: chat.mozilla.org/#/room/#opendesign:mozilla.orgreflex
Functional reactive UI librarymortar
INACTIVE - http://mzl.la/ghe-archive - A collection of web app templatesminion
Minionmakedrive
[RETIRED] Webmaker FilesystemLove Open Source and this site? Check out how you can help us