The Top 146 Firefox Addon Open Source Projects

Awesome Open Source

Awesome Open Source

Combined Topics

firefox-addon x

Advertising 📦 10

Application Programming Interfaces 📦 124

Applications 📦 192

Artificial Intelligence 📦 78

Blockchain 📦 73

Build Tools 📦 113

Cloud Computing 📦 80

Code Quality 📦 28

Collaboration 📦 32

Command Line Interface 📦 49

Community 📦 83

Companies 📦 60

Compilers 📦 63

Computer Science 📦 80

Configuration Management 📦 42

Content Management 📦 175

Control Flow 📦 213

Data Formats 📦 78

Data Processing 📦 276

Data Storage 📦 135

Economics 📦 64

Frameworks 📦 215

Graphics 📦 110

Hardware 📦 152

Integrated Development Environments 📦 49

Learning Resources 📦 166

Libraries 📦 129

Lists Of Projects 📦 22

Machine Learning 📦 347

Mapping 📦 64

Marketing 📦 15

Mathematics 📦 55

Messaging 📦 98

Networking 📦 315

Operating Systems 📦 89

Operations 📦 121

Package Managers 📦 55

Programming Languages 📦 245

Runtime Environments 📦 100

Science 📦 42

Security 📦 396

Social Media 📦 27

Software Architecture 📦 72

Software Development 📦 72

Software Performance 📦 58

Software Quality 📦 133

Text Editors 📦 49

Text Processing 📦 136

User Interface 📦 330

User Interface Components 📦 514

Version Control 📦 30

Virtualization 📦 71

Web Browsers 📦 42

Web Servers 📦 26

Web User Interface 📦 210

The Top 146 Firefox Addon Open Source Projects

Categories > Web Browsers > Firefox Addon

Bypass Paywalls Chrome ⭐ 14,584

Bypass Paywalls web browser extension for Chrome and Firefox.

Refined Github ⭐ 14,152

Browser extension that simplifies the GitHub interface and adds useful features

Darkreader ⭐ 9,759

Dark Reader Chrome and Firefox extension

Ext Saladict ⭐ 6,995

All-in-one professional pop-up dictionary and page translator which supports multiple search modes, page translations, new word notebook and PDF selection searching.

Simpread ⭐ 4,516

简悦 ( SimpRead ) - 让你瞬间进入沉浸式阅读的扩展

Rails_panel ⭐ 3,627

Chrome/Firefox extension for Rails development

Fehelper ⭐ 3,472

😍FeHelper--Web前端助手（Awesome！Chrome & Firefox & MS-Edge Extension, All in one Toolbox!）

Medium Unlimited ⭐ 3,453

A browser extension to read medium.com articles for free without membership.

Surfingkeys ⭐ 3,422

Map your keys for web surfing, expand your browser with javascript and keyboard.

Singlefile ⭐ 3,178

Web Extension for Firefox/Chrome/MS Edge and CLI tool to save a faithful copy of an entire web page in a single HTML file

Daily ⭐ 3,157

All-in-one coding news reader 👩🏽‍💻

Reddit Enhancement Suite ⭐ 3,134

Reddit Enhancement Suite

Bypass Paywalls Firefox ⭐ 3,051

Bypass Paywalls for Firefox

Memex ⭐ 3,001

Browser Extension to full-text search your browsing history & bookmarks.

一个帮助你自动申请京东价格保护的chrome拓展

Extension Boilerplate ⭐ 2,784

⚡️ A template for building cross browser extensions for Chrome, Opera & Firefox.

Treestyletab ⭐ 2,188

Tree Style Tab, Show tabs like a tree.

Pt Plugin Plus ⭐ 2,172

PT 助手 Plus，为 Google Chrome 和 Firefox 浏览器插件（Web Extensions），主要用于辅助下载 PT 站的种子。

Hack Tools ⭐ 2,157

The all-in-one Red Team extension for Web Pentester 🛠

Floccus ⭐ 2,127

☁️ Sync your bookmarks across browsers via Nextcloud, WebDAV or Google Drive

Rsshub Radar ⭐ 1,817

🍰 Browser extension that simplifies finding and subscribing RSS and RSSHub

Metastream ⭐ 1,674

Watch streaming media with friends.

Simplify ⭐ 1,635

Browser extension to simplify Gmail's interface

Github Hovercard ⭐ 1,577

Neat hovercards for GitHub.

Fx_cast ⭐ 1,329

Implementation of the Google Cast Chrome Sender SDK within Firefox

Notifier For Github ⭐ 1,278

Browser extension - Get notified about new GitHub notifications

Awsconsolerecorder ⭐ 1,160

Records actions made in the AWS Management Console and outputs the equivalent CLI/SDK commands and CloudFormation/Terraform templates.

Youtube Extension ⭐ 1,111

YouTube Extension🎧🧰>80 Features ⭐Please document, code or donate📌Tidy📌Longest-standing(2012)(Users>350000)⋮🎞️☕🎛️🔴🎬🔊⚙️🎨🧩🧪📈⏯️(Player: Repeat Screenshot Rotate; Hide related video distraction. Always expand video Description. Playback speed. Video Quality bandwidth H.264 electricity. Player Size Full Window. Themes Customization. Statistics. Reverse Playlist YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube YouTube Youtube enhancer YouTube app YouTube video YouTube YouTube YouTube api v3 YouTube playback YouTube player VP8 VP9 AV1 vidIQ tubebuddy download adblocker adblock ads sponsorblock addon youtube music ⭐ youtube premium css css4 html5 ytdl youtube-dl invidious iridium ParticleCore youtube+ youtube++ youtube-plus maia-yt youtube nonstop youtube control center vlogger vlog h264ify h264 m.youtube.com music.youtube.com studio.youtube youtube mobile youtube studio ⭐ kids Vanced gaming.youtube.com gaming youtubecenter freetube lite-youtube-embed newpipe youtube-dl-gui mps-youtube nuclear pytube awesome youtubers youtube downloader 8k 4k 60fps 30fps youtubeexplode vidgear k-lite tubebuddy adobe apple ios iphone design simplify ffmpeg premiere designer annoyance youtube upload

Data Selfie ⭐ 1,010

Data Selfie - a browser extension to track yourself on Facebook and analyze your data.

Authenticator ⭐ 1,003

Authenticator generates 2-Step Verification codes in your browser.

Web Extension Starter ⭐ 1,000

🖥🔋Web Extension starter to build "Write Once Run on Any Browser" extension

🐙 File tree extension for GitHub on Chrome & Firefox & Edge

Edgetranslate ⭐ 985

A translation extension.

Chrome/Firefox extension to nuke annoying elements in a web page

Toggl Button ⭐ 895

Toggl Button extension for Chrome and Firefox

Just Read ⭐ 882

A customizable read mode web extension.

Aws Extend Switch Roles ⭐ 869

Extend your AWS IAM switching roles by Chrome extension, Firefox add-on, or Edge add-on

Gooreplacer ⭐ 861

⚡️⚡️A browser extension to modify HTTP requests :-)

Tabliss ⭐ 812

An extensible New Tab web extension written in TypeScript, React and Redux.

Saka Key ⭐ 752

A keyboard interface to the web

Tab Session Manager ⭐ 730

WebExtensions for restoring and saving window / tab states

Make Medium Readable Again — a browser extension

Chrome Utm Stripper ⭐ 594

Browser extension that strips Google Analytics (UTM) parameters, and various other click tracking tokens, from URL query strings

Refined Bitbucket ⭐ 568

Chrome and Firefox extension that improves Bitbucket's user experience

🔎 A browser extension to explore npm dependencies on GitHub repos

Web Search Navigator ⭐ 540

Chrome/Firefox extension that adds keyboard shortcuts to Google, YouTube, Github, Amazon, and others

Markdown Viewer ⭐ 506

Markdown Viewer / Browser Extension

Refined Hacker News ⭐ 503

✨ Hacker News, but refined — Interface tweaks and features to make the HN experience better

Temporary Containers ⭐ 493

Firefox Add-on that lets you open automatically managed disposable containers

Gesturefy ⭐ 478

Navigate, operate, and browse faster with mouse gestures! A customizable Firefox mouse gesture add-on with a variety of different commands.

Darkness ⭐ 471

Dark Themes for Popular Websites

A tool designed to assist with finding all sinks and sources of a web application and display these results in a digestible manner.

🐘 🔒 KeePass-compatible browser extension for filling passwords.

Read Aloud ⭐ 452

An awesome browser extension that reads aloud webpage content with one click

Auto Tab Discard ⭐ 451

Use native tab discarding method to automatically reduce memory usage of inactive tabs

Webscrapbook ⭐ 432

A browser extension that captures web pages to local device or backend server for future retrieval, organization, annotation, and edit. This project inherits from ScrapBook X.

Native Client ⭐ 418

Native Messaging component for Windows, Linux, and Mac OS that is written in NodeJS.

Svg Screenshots ⭐ 408

📸🧩 Browser extension to take scalable, semantic, accessible screenshots of websites in SVG format.

Contributors On Github ⭐ 395

🌵 Show stats about contributors on github

Fake Filler Extension ⭐ 390

A browser extension for Chrome, Edge and Firefox that fills dummy text in all input fields in a page.

Browser Addon ⭐ 387

Kee adds free, secure and easy password management features to your browser which save time and keep your private data more secure.

Easy To Rss ⭐ 386

🚀 Chrome/Firefox Extension to retreive RSS feeds URLs from WebSite, RSSHub supported

Simple Translate ⭐ 376

WebExtensions for translating text on web pages

Lovely Forks ⭐ 371

💚 🍴 Show notable forks of GitHub repositories under their names.

Extanalysis ⭐ 356

Browser Extension Analysis Framework - Scan, Analyze Chrome, firefox and Brave extensions for vulnerabilities and intels

Codercalendar ⭐ 348

DEPRECATED -> Checkout nishanthvijayan/CoderCalendar-Extensions

Turbo Download Manager ⭐ 283

a multi-browser download manager with multi-threading support

Sessionsync ⭐ 258

Dollchan Extension Tools ⭐ 253

The best way to browse imageboards

Minimal Twitter ⭐ 253

Minimal Theme for the new Twitter UI 🐦

Startpage ⭐ 249

A minimal starpage for Chrome and Firefox

Twitch Hls Adblock ⭐ 240

Block advertisements that are inserted in Twitch streams directly.

Panorama Tab Groups ⭐ 230

An add-on for Firefox that implements the old Tab Groups/Panorama functionality

Pywalfox ⭐ 226

Dynamic theming of Firefox (and Thunderbird) using your Pywal colors

What Have You Made Today ⭐ 224

Chrome & FireFox extension to replace the default home page. What have you made today?

Simpread Little ⭐ 223

简悦( SimpRead ) · 轻阅版

Bandwidth Hero ⭐ 222

💂 Saves data by compressing images on web page

Slick Fox ⭐ 213

🦊 A userchrome.css file that has rounded tabs and a url bar that can disappear when not selected on. It works with any themes.

Firefox Scripts ⭐ 211

userChromeJS / autoconfig.js and extensions

Wallabagger ⭐ 203

Chrome / Firefox / Opera plugin for wallabag v2.

Oldschool Github Extension ⭐ 199

Revert GitHub's UI back to its classic look (before the June 23, 2020 update that has a flat, rounded and more whitespaced design).

Azure Mask ⭐ 189

A browser extension (Chrome, Firefox) that toggles concealment of sensitive information found in the Azure Portal web page such as Subscription Id's

Blocktube ⭐ 189

YouTube™ content blocker

Side Auto_sci Hub ⭐ 177

Cross-Browser Plugin to open Sci-Hub 🗝 page with the article from your current tab

Spotify Lyrics ⭐ 172

🎉 Desktop Spotify Web Player Instant Synchronised Lyrics

Updatescanner ⭐ 167

Firefox addon to monitor web pages for updates.

Instagramdownloader ⭐ 161

Firefox and Chrome Extention which creates an download button for instagram images and videos and videos

Cleanlinks ⭐ 157

Converts obfuscated/nested links to genuine clean links.

Disable Javascript ⭐ 156

Adds the ability to disable JavaScript on specific sites.

Asciidoctor Browser Extension ⭐ 154

⚪️ An extension for web browsers that converts AsciiDoc files to HTML using Asciidoctor.js.

Alfred Firefox ⭐ 148

Search and control Firefox from Alfred

Synology Download Manager ⭐ 144

An open source browser extension for adding/managing download tasks to your Synology DiskStation.

Surfingkeys Conf ⭐ 141

A SurfingKeys configuration which adds 130+ key mappings for 20+ sites & OmniBar search suggestions for 50+ sites

Livemarks ⭐ 138

Extension that restores RSS Feed Livemarks in Firefox.

Dictionaries ⭐ 138

One dictionary to rule them all -- a browser extension to help you learn languages

Urql Devtools ⭐ 133

A tool for monitoring and debugging urql during development

Yt Ad Autoskipper ⭐ 130

A browser extension that automates skipping ad on Youtube. This is not an ad blocker, it just automates the process of clicking on the "Skip Ad" button on Youtube.

Webextension to save Tiddlywiki

Yaofang ⭐ 121

药方 YAWF 火狐扩展新浪微博微博过滤版面改造和美化等

Network Plus ⭐ 121

DevTools for network recording, modification and resending.

1-100 of 146 projects

Advertising 📦 10

Application Programming Interfaces 📦 124

Applications 📦 192

Artificial Intelligence 📦 78

Blockchain 📦 73

Build Tools 📦 113

Cloud Computing 📦 80

Code Quality 📦 28

Collaboration 📦 32

Command Line Interface 📦 49

Community 📦 83

Companies 📦 60

Compilers 📦 63

Computer Science 📦 80

Configuration Management 📦 42

Content Management 📦 175

Control Flow 📦 213

Data Formats 📦 78

Data Processing 📦 276

Data Storage 📦 135

Economics 📦 64

Frameworks 📦 215

Graphics 📦 110

Hardware 📦 152

Integrated Development Environments 📦 49

Learning Resources 📦 166

Libraries 📦 129

Lists Of Projects 📦 22

Machine Learning 📦 347

Mapping 📦 64

Marketing 📦 15

Mathematics 📦 55

Messaging 📦 98

Networking 📦 315

Operating Systems 📦 89

Operations 📦 121

Package Managers 📦 55

Programming Languages 📦 245

Runtime Environments 📦 100

Science 📦 42

Security 📦 396

Social Media 📦 27

Software Architecture 📦 72

Software Development 📦 72

Software Performance 📦 58

Software Quality 📦 133

Text Editors 📦 49

Text Processing 📦 136

User Interface 📦 330

User Interface Components 📦 514

Version Control 📦 30

Virtualization 📦 71

Web Browsers 📦 42

Web Servers 📦 26

Web User Interface 📦 210