Top Firefox repositories

Biggest movers this week

git clone https://github.com/subhra74/xdm.git

git clone https://github.com/daijro/camoufox.git

git clone https://github.com/floccusaddon/floccus.git

git clone https://github.com/ajayyy/SponsorBlock.git

git clone https://github.com/mherrmann/helium.git

git clone https://github.com/cutetailbud/ff-ruyijs.git

Top 36 on the Elo ladder

1. #156
   microsoft/playwright

   Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single…

   • Diamond I

   2,159 Elo +11100kTypeScript
2. #497
   gorhill/uBlock

   uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.

   • Diamond IV

   1,976 Elo −3469.3kJavaScript
3. #659
   zen-browser/desktop

   Welcome to a calmer internet

   • Diamond V

   1,926 Elo −1445.8kC++
4. #886
   feder-cr/Jobs_Applier_AI_Agent

   AIHawk: AI job application bot, automated job search, job hunting, auto-apply to resume-matching jobs while you sleep.

   • Emerald I

   1,877 Elo +3232.5kPython
5. #959
   puppeteer/puppeteer

   JavaScript API for Chrome and Firefox

   • Emerald II

   1,864 Elo −4395.8kTypeScript
6. #1,028
   amir1376/ab-download-manager

   A Download Manager that speeds up your downloads

   • Emerald II

   1,852 Elo +5319.3kKotlin
7. #1,113
   xifangczy/cat-catch

   猫抓 浏览器资源嗅探扩展 / cat-catch Browser Resource Sniffing Extension

   • Emerald II

   1,839 Elo −922.9kJavaScript
8. #1,367
   daijro/camoufox

   🦊 Anti-detect browser

   • Emerald IV

   1,802 Elo +7013.3kC
9. #1,438
   FiloSottile/mkcert

   A simple zero-config tool to make locally trusted development certificates with any names you'd like.

   • Emerald IV

   1,792 Elo −6359.8kGo
10. #1,674
    ArchiveBox/ArchiveBox

    🗃 Open source self-hosted web archiving. Takes URLs/browser history/bookmarks/Pocket/Pinboard/etc., saves HTML, JS…

    • Emerald V

    1,764 Elo −629kPython
11. #1,737
    gildas-lormeau/SingleFile

    Web Extension for saving a faithful copy of a complete web page in a single HTML file

    • Platinum I

    1,756 Elo 22.9kJavaScript
12. #1,767
    bitwarden/clients

    Bitwarden client apps (web, browser extension, desktop, and cli).

    • Platinum I

    1,753 Elo +1414.2kTypeScript
13. #2,200
    subhra74/xdm

    Fast, reliable download accelerator and video downloader since 2013

    • Platinum II

    1,706 Elo +838.4kKotlin
14. #2,957
    ajayyy/SponsorBlock

    Skip YouTube video sponsors (browser extension)

    • Platinum V

    1,640 Elo +6414.1kTypeScript
15. #3,255
    moonD4rk/HackBrowserData

    Decrypt and export passwords, cookies, history and more from 20 browsers on Windows, macOS and Linux. For authorized…

    • Gold I

    1,620 Elo −514.7kGo
16. #3,355
    browserless/browserless

    Deploy headless browsers in Docker. Run on our cloud or bring your own. Free for non-commercial uses.

    • Gold I

    1,614 Elo −413.9kTypeScript
17. #3,460
    ovity/octotree

    GitHub on steroids

    • Gold I

    1,608 Elo −2023.3kJavaScript
18. #3,909
    microsoft/playwright-python

    Python version of the Playwright testing and automation library.

    • Gold III

    1,579 Elo +2015.1kPython
19. #4,174
    MetaMask/metamask-extension

    :globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled…

    • Gold III

    1,564 Elo −1713.2kTypeScript
20. #4,481
    arkenfox/user.js

    Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening

    • Gold IV

    1,546 Elo +3112.9kJavaScript
21. #4,534
    mozilla-mobile/firefox-ios

    Firefox for iOS

    • Gold IV

    1,543 Elo −3513kSwift
22. #4,571
    crimx/ext-saladict

    🥗 All-in-one professional pop-up dictionary and page translator which supports multiple search modes, page…

    • Gold IV

    1,541 Elo −1013.4kTypeScript
23. #4,963
    Anarios/return-youtube-dislike

    Chrome extension to return youtube dislikes

    • Gold V

    1,521 Elo +1813.8kJavaScript
24. #5,732
    web-platform-tests/wpt

    Test suites for Web platform specs — including WHATWG, W3C, and others

    • Silver II

    1,486 Elo +236.3kHTML
25. #6,248
    floccusaddon/floccus

    :cloud: Sync your bookmarks privately across browsers and devices

    • Silver IV

    1,462 Elo +688.6kTypeScript
26. #6,517
    yokoffing/Betterfox

    Firefox user.js for optimal privacy and security. Your favorite browser, but better.

    • Silver IV

    1,452 Elo +5410.9kJavaScript
27. #7,716
    mozilla/geckodriver

    WebDriver Classic proxy for automating Firefox through Marionette

    • Bronze II

    1,406 Elo −47.4k
28. #7,784
    mherrmann/helium

    Lighter web automation with Python

    • Bronze III

    1,403 Elo +568.3kPython
29. #8,117
    Floorp-Projects/Floorp

    All of source code of Floorp 12, the most Advanced and Fastest Firefox derivative 🦊

    • Bronze III

    1,391 Elo +338.4kTypeScript
30. #8,266
    Kenshin/simpread

    简悦 ( SimpRead ) - 让你瞬间进入沉浸式阅读的扩展

    • Bronze IV

    1,384 Elo +38.7kJavaScript
31. #8,996
    tridactyl/tridactyl

    A Vim-like interface for Firefox, inspired by Vimperator/Pentadactyl.

    • Copper I

    1,350 Elo +436.4kTypeScript
32. #9,121
    alyssaxuu/omni

    The all-in-one tool to supercharge your productivity ⌨️

    • Copper I

    1,343 Elo −67.8kJavaScript
33. #9,147
    mozilla-mobile/fenix

    ⚠️ Fenix (Firefox for Android) moved to a new repository. It is now developed and maintained as part of…

    • Copper I

    1,342 Elo −126.3kKotlin
34. #9,384
    uBlock-LLC/uBlock

    uBlock: a fast, lightweight, and lean blocker for Chrome, Firefox, and Safari.

    • Copper II

    1,327 Elo +38.2kJavaScript
35. #9,615
    jonasstrehle/supercookie

    ⚠️ Browser fingerprinting via favicon!

    • Copper III

    1,305 Elo +37.3kHTML
36. #10,037
    cutetailbud/ff-ruyijs

    This is a lightweight, headless browser purpose-built for AI agents (such as Codex or Claude Code) to perform browser…

    • Copper V

    925 Elo +551.2kC++