Browse free open source Browser Extensions and Plugins and projects for Mac below. Use the toggles on the left to filter open source Browser Extensions and Plugins by OS, license, language, programming language, and project status.
Beautiful, responsive, highly customizable popup boxes
Extension that allows you to intercept and edit HTTP/HTTPS requests
Captcha solver extension for humans
AdGuard browser extension
The Bitwarden browser extension vault
A chrome extension for automating your browser by connecting blocks
Allows adding extensions from chrome web store on ungoogled-chromium
DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome
uBlock: a fast, lightweight, and lean blocker for Chrome, Firefox
Chromecast Web Sender SDK implementation for Firefox
A framework for browser automation and testing with Selenium
Skip YouTube video sponsors (browser extension)
Translate your page in real time using Google or Yandex
Browser extension that simplifies finding and subscribing RSS and RSSH
The jQuery plugin that brings select elements into the 21st century
Ghostery Browser Extension for Firefox, Chrome, Opera and Edge
Firefox with privacy enhancements
Debloated fork of the extension "I don't care about cookies"
In-browser Markdown editor
The plugin-driven server agent for collecting and reporting metrics
Firefox privacy, security and anti-tracking: a comprehensive user.js
Vlc web plugin based on FireBreath
A Chrome plugin: Replace Google CDN with domestic
Web Extension for Firefox/Chrome/MS Edge and CLI tool