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An open API service indexing awesome lists of open source software.

Firefox

Firefox is a free and open source web browser developed by Mozilla Foundation. First released in 2002 under the name Phoenix. It’s available for most operating systems including Windows, macOS, Linux and most phones and tablets.

https://github.com/eddex/hslu-simple-mep-results

:bar_chart: A browser add-on that adds essential features to the HSLU MyCampus website

browser-addon browser-extension chrome firefox hochschule-luzern hslu

Last synced: 29 Apr 2025

https://github.com/trmcnvn/firefox-addon

🦊 GitHub action to update/create firefox addons

action actions firefox firefox-addon github-actions

Last synced: 10 Oct 2025

https://github.com/bnpoirier/foxify

Converts Chrome extensions to Firefox

firefox firefox-addon firefox-extensions

Last synced: 27 Mar 2025

https://github.com/Pepitortue/FirefoxCSS-Safari-theme

A Safari like them for Firefox 100+

css firefox theme

Last synced: 26 Mar 2025

https://github.com/spdx/spdx-license-diff

Chrome/Firefox browser extension to compare text against spdx license list

chrome firefox hacktoberfest license-compliance open-source-licenses spdx

Last synced: 15 Feb 2026

https://github.com/rthaut/youtubepopoutplayer

This browser extension provides a simple way to open any YouTube video or playlist (including videos and playlists embedded in other sites/pages) in a configurable "popout" window which you can freely position and resize.

browser browser-extension chrome chrome-extension firefox firefox-extension javascript popout video-player webextension youtube

Last synced: 12 May 2025

https://github.com/jbhoot/pin-unpin-tab

Firefox add-on to pin or unpin current tab in more efficient ways.

firefox firefox-addon firefox-extension firefox-webextension melange ocaml

Last synced: 19 Aug 2025

https://github.com/AyumuNekozuki/niconico-darkmode

ニコニコをダークモードにする拡張機能

chrome dark-mode docker firefox niconico niconico-darkmode

Last synced: 10 Apr 2025

https://github.com/zefr0x/foxmarks

A CLI read-only interface for Firefox's bookmarks and history.

bookmarks bookmarks-menu browsing-history cli firefox firefox-browser history linux unix-philosophy

Last synced: 31 Jul 2025

https://github.com/tfrommen/octobox-web-extension

Makes your GitHub notifications icon link to Octobox instead of GitHub.

add-on chrome edge extension firefox github notifications octobox web-extension

Last synced: 30 Apr 2025

https://github.com/blaukovitch/mozilla_firefox_windows_7

Mozilla Firefox and Tor Browser for Windows 7 (cracklab)

chrome crack cracking cracklab firefox microsoft mozilla tor torbrowser windows-7

Last synced: 07 May 2025

https://github.com/iampueroo/rComments

Chrome and Firefox extension for quickly exploring Reddit comments and replies without having to click through to the post!

browser-extension chrome chrome-extension firefox firefox-addon reddit reddit-comments

Last synced: 27 Mar 2025

https://github.com/hariprasd/cool-bookmarklets

Bookmarklets for Browsers, that are cool in some way for someone. Minimum Automation

automateboringstuff automation bookmarklet brave browser chrome console edge firefox framework hacktoberfest javascript quick

Last synced: 27 Mar 2025

https://github.com/eyalzh/browser-control-mcp

MCP server paired with a browser extension that enables AI agents to control the user's browser.

browser-extension firefox mcp

Last synced: 22 Jun 2025

https://github.com/fpopic/linux-egradjani

Steps on how to set up the Croatian e-Građani app for identification (Firefox/Chrome) and signing documents (LibreOffice) on Linux (Ubuntu).

certificates chrome e-gov e-gradani e-gradjani egradjani eoi firefox identification libreoffice linux nss-db sign-documents signature

Last synced: 29 Jun 2025

https://github.com/terryhuanghd/useragency-ios

UserAgency is an iOS/macOS User-Agent generator library written in swift. Provides story-oriented usage, and comprehensive way to mock real life data.

chrome edge firefox ie ios macos safari swift user-agent

Last synced: 13 Apr 2025

https://github.com/konoui/alfred-bookmarks

bookmark searcher with alfred workflow written in Go

alfred-workflow bookmark firefox golang google-chrome

Last synced: 10 Apr 2025

https://github.com/dexeonify/firefox-css

My CSS configuration to customise Firefox to my liking.

css firefox sidebery startpage userchrome

Last synced: 26 Mar 2025

https://github.com/terryhuanghd/useragency-android

UserAgency is an Android User-Agent generator library written in Java/Kotlin. Provides story-oriented usage, and comprehensive way to mock real life data.

android chrome edge firefox ie java safari user-agent

Last synced: 13 Apr 2025

https://github.com/easonwong-de/Tab-Preview-On-Hover

Adds on-hover tab preview to Firefox (requires CSS theme).

add-on browser-extension extension firefox firefox-addon firefox-extension

Last synced: 27 Mar 2025

https://github.com/TarekJor/bookmark-archiver

🗄 Save an archived copy of websites from Pocket/Pinboard/Bookmarks/RSS. Outputs HTML, PDFs, and more...

archive backup bookmarks browser chromium firefox google-chrome headless-browser headless-chrome html-export pinboard pocket preservation python rss safari web-archive web-archiving web-browser wget

Last synced: 27 Mar 2025

https://github.com/seinopsys/ytmysubs

Sets the Subscriptions page as your default homepage on YouTube by redirecting all requests at the browser level

browser-extension chrome-extension firefox firefox-quantum firefox-webextension google-chrome youtube

Last synced: 10 Apr 2025

https://github.com/icpantsparti/firefox-user.js-tool

Interactive view, compare, and more for Firefox user.js (eg arkenfox/user.js) + about:config functions

arkenfox compare-files comparer firefox firefox-browser ghacks mozilla-firefox pyllyukko thunderbird userjs viewer

Last synced: 12 Apr 2025

https://github.com/hormesiel/whats-new-github

See what's new and what's not in your GitHub dashboard's feeds and in your organizations' feeds.

browser-extension chrome chrome-extension chrome-extensions extension firefox firefox-addon firefox-extension firefox-extensions github github-extension

Last synced: 08 May 2025

https://github.com/bobby1030/crx-to-xpi

A simple tool that can help you port WebExtensions to Firefox easily

chrome crx firefox port-webextensions webextension xpi

Last synced: 10 Apr 2025

https://github.com/allen505/save-for-later

A web extension for Chrome/Firefox which saves the tabs in current window for later use.

chrome chrome-extension chromium firefox firefox-addon firefox-extension firefox-webextension webextension

Last synced: 27 Mar 2025

https://github.com/emvaized/open-in-popup-window-extension

Tiny browser extension which allows to open any links and images in a popup window, with many features and settings

browser chrome-extension chrome-extensions extension firefox popup-window

Last synced: 24 Apr 2026

https://github.com/garywill/multi-subs-yt

📺 Browser addon. Display as many subtitles as you like on Youtube simultaneously. Different languages, translated, auto-generated ... NO dependence on third-party server. 🔤🎞️

auto-translation closed-captions edge firefox foreign-languages language-learning microsoft-edge-extension multiple-subtitles subtitles youtube

Last synced: 04 Nov 2025

https://github.com/sdushantha/bed

🧩 A very simple command line Browser Extension Downloader

chrome chrome-extension cli commandline downloader firefox firefox-addon firefox-extension linux macos opera

Last synced: 07 Oct 2025

https://github.com/tarekjor/bookmark-archiver

🗄 Save an archived copy of websites from Pocket/Pinboard/Bookmarks/RSS. Outputs HTML, PDFs, and more...

archive backup bookmarks browser chromium firefox google-chrome headless-browser headless-chrome html-export pinboard pocket preservation python rss safari web-archive web-archiving web-browser wget

Last synced: 05 Oct 2025

https://github.com/ryanccn/nyoom

A small Firefox userchrome manager

cli firefox firefox-css firefox-userchrome nix-flake rust

Last synced: 18 Apr 2025

https://github.com/lidel/google-music-hotkeys

Browser extension that adds keyboard control to Google / YouTube Music

chrome-extension chromium firefox firefox-extension google-music keyboard playback-controls webextension

Last synced: 28 Apr 2025

https://github.com/ledfan/keywi

Minimalistic Keepass plugin using Web Extensions and KeepassHTTP.

addon firefox keepass keepasshttp password-manager web-extension

Last synced: 23 Aug 2025

https://github.com/emirkabal/better-videos-for-instagram

The source code for the "Better Videos for Instagram" extension is available on the Chrome & Firefox. It allows easy playback of any Instagram video and volume adjustment.

chrome chrome-addon controls download extension firefox firefox-addon instagram playback video volume

Last synced: 02 May 2026

https://github.com/stoically/radical-native

Extending Element (Riot Web) with native capabilities

element firefox matrix riot webextension

Last synced: 03 Apr 2025

https://github.com/tnychn/opencc-extension

🀄️ A browser extension to convert webpages between different Chinese variants. Powered by OpenCC.

browser chinese chrome extension firefox javascript opencc simplified-chinese traditional-chinese

Last synced: 12 Mar 2026

https://github.com/prirai/firefox-config

Firefox configs for security, privacy, usability and performance

arkenfox config firefox firefox-config user-js userjs

Last synced: 12 Apr 2025

https://github.com/davestewart/extension-bus

Universal message bus for chromium and firefox browsers

chrome chrome-extension firefox firefox-extension webextension webextensions

Last synced: 14 Apr 2025

https://github.com/peterhil/spellbook

Spellbook is a WebExtension to easily add new bookmarks to correct categories

bookmarks chrome chrome-extension firefox javascript kefir ramda rxjs spellbook svelte unpacked-extension webextension

Last synced: 06 Feb 2026

https://github.com/mozillasecurity/ffpuppet

A Python module that aids in the automation of Firefox at the process level

automated-testing automation firefox fuzzing python

Last synced: 06 Apr 2025

https://github.com/wachunei/directuc

Web Extension for logging in to multiple services provided by PUC (Chile)

chile chrome firefox parcel puc react webextension

Last synced: 16 May 2025

https://github.com/nakasyou/firecws

Chrome拡張をFirefox拡張にコンパイルできるライブラリ

chrome firefox firefox-addon webstore

Last synced: 16 Sep 2025

https://github.com/gesiscss/webbot

Browser extension to simulate browsing behaviour in search engines.

audit automation browser-extension chrome chrome-extension firefox firefox-addon javascript scraper search search-engine webscraping

Last synced: 16 Aug 2025

https://github.com/plasmohq/bms

📢 Browser Market Submission

addons browser-extension chrome firefox web-extension webext

Last synced: 07 May 2025

https://github.com/nt1m/devtools-prototyper

Firefox add-on that adds JSFiddle style prototyping to Firefox DevTools.

addon extension firefox firefox-addon firefox-devtools firefox-extension prototyper

Last synced: 17 Jun 2025

https://github.com/NumeriusNegidius/Context-Search

A Firefox WebExtension that displays a context menu, that searches for the selected text.

addon context-menu firefox webextension

Last synced: 27 Mar 2025

https://github.com/erisa/download-image

No save as prompts! Extension to add a context menu item which allows you to directly download an image!

chrome download extension firefox image webextension

Last synced: 07 May 2025

https://github.com/dustinrouillard/tabatha

New Tab Replacement for Chrome and Firefox - Sleek, Dark, and Minimal

addon chrome dark extension firefox minimal newtab

Last synced: 14 Apr 2025

https://github.com/mrcolorr/vnc-browser

VNC-Browser is a ready to use, minimal, customizable docker image designed to provide a lightweight and secure environment for browsing the web via VNC.

alpine-linux browser chromium chromium-browser containerization customizable debian-linux docker docker-image firefox firefox-browser vnc

Last synced: 10 Apr 2025

https://github.com/browser-actions/setup-firefox

Set up your GitHub Actions workflow with a specific version of firefox

actions firefox github-actions

Last synced: 06 May 2026

https://github.com/PlasmoHQ/bms

📢 Browser Market Submission

addons browser-extension chrome firefox web-extension webext

Last synced: 11 Apr 2025

https://github.com/jrapoport/grpc-web-devtools

Chrome & Firefox Browser extension to aid gRPC-Web development using native gRPC-Web interceptors.

chrome chrome-extension debugging-tool developer-tools devtools firefox firefox-extension grpc grpc-interceptor grpc-web javascript platform react streaming-call

Last synced: 17 Mar 2025

https://github.com/seeba8/yet-another-pinboard-extension

Manage your Pinboard bookmarks in your browser.

addon chrome firefox pinboard webextension

Last synced: 22 Mar 2025

https://github.com/vrutkovs/firefox-flatpak

Flatpak manifest and patches to build Firefox

firefox flatpak

Last synced: 22 Mar 2025

https://github.com/Terminal127/tokyonight-startpage

A Hackable start-page in Tokyonight Color Scheme

chrome css dots dynamic firefox html javascript startpage

Last synced: 07 Sep 2025

https://github.com/wachunei/directUC

Web Extension for logging in to multiple services provided by PUC (Chile)

chile chrome firefox parcel puc react webextension

Last synced: 15 Mar 2025

https://github.com/whistlingzephyr/banger

A Firefox extension that adds DuckDuckGo-like !Bangs to any search engine & more.

bang firefox search

Last synced: 12 Apr 2025

https://github.com/sec-ant/a2d2-firefox

The Firefox build that evades JavaScript anti-debugging debugger mechanisms

anti-anti-debug anti-debugging debugger firefox github-actions javascript

Last synced: 16 Apr 2025

https://github.com/stefansundin/devtools-download-panel

:microscope: Download panel for Chrome's developer tools.

chrome firefox

Last synced: 16 Mar 2025

https://github.com/captainbrosset/devtools-highlighter

DevTools extension that finds and highlights elements in the page

devtools devtools-extension firefox inspector

Last synced: 13 Jul 2025

https://github.com/Hakanbaban53/RealFire

A minimalist animated oneliner theme for Firefox perfectly matching real Dark.

css firefox firefox-css firefox-theme javascript realfire userchrome userscript

Last synced: 30 Sep 2025

https://github.com/cyfung1031/userscript-supports

This is for the userscripts created on GreasyFork.org.

brave chrome edge extension firefox opera tampermonkey userscript violentmonkey youtube

Last synced: 30 Oct 2025

https://github.com/abba23/mute-sites-by-default

WebExtension that mutes all sites by default and remembers unmuted sites

addon autoplay firefox mute webextension websites whitelist

Last synced: 27 Sep 2025

https://github.com/pedros11/twitch-live-extension

A browser extension that will help you to find out when your favorite streamers are live on Twitch.

browser-extension chrome-extension firefox firefox-addon microsoft-edge-extension twitch

Last synced: 06 Sep 2025

https://github.com/terminal127/tokyonight-startpage

A Hackable start-page in Tokyonight Color Scheme

chrome css dots dynamic firefox html javascript startpage

Last synced: 23 Mar 2025

https://github.com/garywill/autoreferer

Browser addon. Control referer to protect privacy and not break web. The addon (maybe the only one?) that deals with Firefox's document.referrer bug 🛡️🛣️

addon browser document-refererrer extension firefox firefox-addon firefox-extension privacy referer referer-spoof referrer referrer-policy webextension webextensions

Last synced: 15 Apr 2025

https://github.com/anthonysgro/geospoof

Browser extension to spoof your geolocation, timezone, and prevent WebRTC IP leaks.

browser firefox gecko geolocation privacy security spoof spoofing spoofing-detection timezone vpn

Last synced: 27 May 2026

https://github.com/jsmnbom/definitelytyped-firefox-webext-browser

Script to generate TypeScript definitions for WebExtension Development in FireFox

definitelytyped firefox typescript webextensions

Last synced: 21 Sep 2025

https://github.com/hakanbaban53/realfire

A minimalist animated oneliner theme for Firefox perfectly matching real Dark.

css firefox firefox-css firefox-theme javascript realfire userchrome userscript

Last synced: 08 Oct 2025

https://github.com/code-charity/ToDo

ToDo - Chrome Extension. Make checklists and more.

chrome chrome-extension extension firefox firefox-addon todo todolist

Last synced: 27 Mar 2025

https://github.com/lamualfa/cors_id

🔀 Panduan singkat mengatasi masalah CORS di berbagai macam aplikasi.

api backend brave chrome cors edge firefox http javasript nodejs

Last synced: 30 Jul 2025

https://github.com/morceaudebois/minus-for-unsplash

Remove all the clutter from Unsplash+ and improve your Unsplash experience.

addon browser chrome extension firefox minimalism

Last synced: 12 Oct 2025

https://github.com/sergioburdisso/solidwebpush

This package lets your server send Web Push Notifications to your clients. No special web framework is required (such as Django, Flask, Pyramid, etc.).

chrome cryptography firefox mozilla-firefox notifications python raspberry-pi raspbian subscription web-push web-push-notification webbrowser webpush webpush-message

Last synced: 28 Oct 2025

https://github.com/mkizka/mtdeck

TweetDeckをスマホアプリのように使えるようにするUserScript

firefox greasemonkey tweetdeck userscript webextension

Last synced: 08 Oct 2025

https://github.com/code-charity/todo

ToDo - Chrome Extension. Make checklists and more.

chrome chrome-extension extension firefox firefox-addon todo todolist

Last synced: 10 Mar 2026

https://github.com/Rayquaza01/note-taker

A Firefox addon that adds a text box to a toolbar button for taking notes.

addon extension firefox notes toolbar-button

Last synced: 28 Mar 2025

https://github.com/fmeyertoens/MaterialFox

A Material Design-inspired userChrome.css theme for Firefox

firefox firefox-css firefox-customization

Last synced: 27 Mar 2025

https://github.com/james-cube/firefox-bookmarks-merger

Tool for merging firefox bookmarks backups.

bookmarks firefox

Last synced: 27 Mar 2025

https://github.com/flattr/flattr-extension

Flattr web extension - monetize your content effortlessly.

firefox flattr google-chrome javascript monetization

Last synced: 05 Oct 2025

https://github.com/Offerel/SyncMarks-Extension

Browser Webextension for Firefox, Edge or Chromium derivatives to sync your bookmarks with a private backend.

addon bookmarks chrome-extension chromium-extension edge-extension firefox firefox-webextension kiwi-browser webdav

Last synced: 11 Apr 2025

https://github.com/shvchk/containerise-lists

Containerise compatible domain lists

firefox firefox-containers firefox-extension privacy

Last synced: 13 Mar 2026

https://github.com/idouble/trinary-calculator-android-java-app

📱 A handy Calculator for Trinary operations 📱 | ⛓ https://play.google.com/store/apps/details?id=com.trinarycalculator.ayidouble.trinarycalculator.app ⛓

android app calculator chrome division firefox interactive iota java mobile quantum quantum-computing qubit qubits smartphone ternary trinary trits trytes xor

Last synced: 05 May 2025

Firefox Awesome Lists
awesome-startpage 70 evil-and-not-wholly-awesome-firefox 32 awesome 39 awesome-webext-dev 43
Firefox Categories
Projects 81 Internet 29 Community 16 Hardening your Firefox 13 Others 10 Learning 9 Packages 8 Tooling 7 Firefox clones/forks 6 Where to look for other awesome lists 5 Utilities 5 Making workflow comfortable 4 Services 4 Links 3 Restyling well-known sites 2 Contributing 2 Documents and texts 2 NOTE: This list is now deprecated and unmaintained since Mozilla has officially turned evil 1 Recovering passwords 1 Multimedia 1