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    • fxa-content-server-l10n

      Public
      translated strings for Firefox accounts website
      Fluent
      •
      Mozilla Public License 2.0
      •46•26•0•0•Updated Jun 21, 2025Jun 21, 2025

    • addons-server

      Public
      🕶 addons.mozilla.org Django app and API 🎉
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •548•880•0•55•Updated Jun 21, 2025Jun 21, 2025

    • performance-data

      Public
      Respository to hold various performance data that is hosted on the performance dashboard.
      1•2•0•0•Updated Jun 21, 2025Jun 21, 2025

    • gecko-dev

      Public
      DEPRECATED by https://github.com/mozilla-firefox/firefox. Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org
      JavaScript
      •
      Other
      •2.1k•3.6k•0•0•Updated Jun 21, 2025Jun 21, 2025

    • experimenter

      Public
      A web application for managing user experiments for Mozilla Firefox.
      product-delivery
      Python
      •
      Mozilla Public License 2.0
      •201•135•288•3•Updated Jun 21, 2025Jun 21, 2025

    • bigquery-etl

      Public
      Bigquery ETL
      Python
      •
      Mozilla Public License 2.0
      •111•316•124•87•Updated Jun 21, 2025Jun 21, 2025

    • application-services

      Public
      Firefox Application Services
      syncpushfirefoxfxa
      Rust
      •
      Other
      •243•639•1•22•Updated Jun 21, 2025Jun 21, 2025

    • stab-crashes

      Public
      Stability Dashboard
      JavaScript
      •
      Other
      •12•11•13•3•Updated Jun 21, 2025Jun 21, 2025

    • fx-private-relay

      Public
      Keep your email safe from hackers and trackers. Make an email alias with 1 click, and keep your address to yourself.
      Python
      •
      Other
      •211•1.6k•28•2•Updated Jun 21, 2025Jun 21, 2025

    • OpusTrainer

      Public
      Curriculum training
      Python
      •6•1•0•0•Updated Jun 20, 2025Jun 20, 2025

    • treeherder

      Public
      A system for managing CI data for Mozilla projects
      reactdockerdjangocontinuous-integrationdocker-composereactjsdjango-rest-frameworkpythonmozillatreeherder
      Python
      •
      Other
      •369•259•0•62•Updated Jun 20, 2025Jun 20, 2025

    • translations

      Public
      The code, training pipeline, and models that power Firefox Translations
      machine-learningmachine-translationmlneural-machine-translation
      C++
      •
      Mozilla Public License 2.0
      •38•194•234•21•Updated Jun 20, 2025Jun 20, 2025

    • fxa

      Public
      Monorepo for Mozilla Accounts (formerly Firefox Accounts)
      TypeScript
      •
      Mozilla Public License 2.0
      •218•643•15•16•Updated Jun 20, 2025Jun 20, 2025

    • looker-ecosystem-test-eng

      Public
      LookML
      •
      Mozilla Public License 2.0
      •0•0•0•1•Updated Jun 20, 2025Jun 20, 2025

    • releases-comm-central

      Public
      EXPERIMENTAL - copy of comm-central for forking on github
      JavaScript
      •99•181•50•24•Updated Jun 20, 2025Jun 20, 2025

    • metric-hub

      Public
      Central hub for metric definitions that are considered the source of truth
      Python
      •
      Mozilla Public License 2.0
      •19•18•29•15•Updated Jun 20, 2025Jun 20, 2025

    • addons-scanner-utils

      Public
      🛠 Various addons related helpers to build CLIs.
      TypeScript
      •
      Mozilla Public License 2.0
      •7•8•5•11•Updated Jun 20, 2025Jun 20, 2025

    • telemetry-airflow-dags

      Public
      DAGs collection for telemetry-airflow
      1•8•0•0•Updated Jun 20, 2025Jun 20, 2025

    • rhino

      Public
      Rhino is an open-source implementation of JavaScript written entirely in Java
      JavaScript
      •
      Other
      •888•4.4k•228•52•Updated Jun 20, 2025Jun 20, 2025

    • addons-frontend

      Public
      Front-end to complement mozilla/addons-server
      reactreduxaddonsamomozilla
      JavaScript
      •
      Mozilla Public License 2.0
      •401•535•0•66•Updated Jun 20, 2025Jun 20, 2025

    • jetstream

      Public
      This machine kills superstition. 💨
      nimbus
      Python
      •
      Mozilla Public License 2.0
      •14•25•110•18•Updated Jun 20, 2025Jun 20, 2025

    • mozanalysis

      Public
      A library for Mozilla experiments analysis
      Python
      •
      Mozilla Public License 2.0
      •12•13•10•40•Updated Jun 20, 2025Jun 20, 2025

    • pdf.js

      Public
      PDF Reader in JavaScript
      JavaScript
      •
      Apache License 2.0
      •10k•51k•382•39•Updated Jun 20, 2025Jun 20, 2025

    • REALISE-Performance

      Public
      The home for collaboration between Mozilla and the Research on Analytics and Intelligence for Software Engineering (REALISE) Lab to enhance the performance infrastructure.
      Jupyter Notebook
      •
      Mozilla Public License 2.0
      •0•3•0•1•Updated Jun 20, 2025Jun 20, 2025

    • glean

      Public
      Modern cross-platform telemetry
      Rust
      •
      Mozilla Public License 2.0
      •142•413•1•11•Updated Jun 20, 2025Jun 20, 2025

    • blurts-server

      Public
      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
      •247•809•19•12•Updated Jun 20, 2025Jun 20, 2025

    • release-notes

      Public
      Release notes and system requirements for our various Firefoxen
      bedrockrelease-notesmozillanucleus
      Python
      •
      Mozilla Public License 2.0
      •11•21•1•2•Updated Jun 20, 2025Jun 20, 2025

    • firefox-translations-models

      Public
      CPU-optimized Neural Machine Translation models for Firefox Translations
      Ruby
      •
      Mozilla Public License 2.0
      •48•372•36•2•Updated Jun 20, 2025Jun 20, 2025

    • sccache

      Public
      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
      •576•6.4k•348•36•Updated Jun 20, 2025Jun 20, 2025

    • docker-etl

      Public
      Collection of dockerized ETL jobs managed by data engineering.
      Python
      •
      Mozilla Public License 2.0
      •16•18•3•31•Updated Jun 20, 2025Jun 20, 2025