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
AdGuard browser extension
A chrome extension for automating your browser by connecting blocks
Translate your page in real time using Google or Yandex
Extension that allows you to intercept and edit HTTP/HTTPS requests
The Bitwarden browser extension vault
Chromecast Web Sender SDK implementation for Firefox
uBlock: a fast, lightweight, and lean blocker for Chrome, Firefox
Scanner detecting the use of JavaScript libraries
DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome
Stylus - Userstyles Manager
Ghostery Browser Extension for Firefox, Chrome, Opera and Edge
Captcha solver extension for humans
Allows adding extensions from chrome web store on ungoogled-chromium
In-browser Markdown editor
Consolidate and extend hosts files from several well-curated sources
The plugin-driven server agent for collecting and reporting metrics
A GNOME theme for Firefox
Web Extension for Firefox/Chrome/MS Edge and CLI tool
}Unity Plugin for the Google Mobile Ads SDK
One for all free music in china (chrome extension)
Easy-to-use library to remove click delays on browsers with touch UIs
A datepicker for twitter bootstrap
jQuery Validation Plugin library sources