Browse free open source Browser Extensions and Plugins and projects for Windows 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
Extension that allows you to intercept and edit HTTP/HTTPS requests
A chrome extension for automating your browser by connecting blocks
Translate your page in real time using Google or Yandex
The Bitwarden browser extension vault
Core server and tier 1 (built-in) plugins
uBlock: a fast, lightweight, and lean blocker for Chrome, Firefox
Chromecast Web Sender SDK implementation for Firefox
Scanner detecting the use of JavaScript libraries
Captcha solver extension for humans
Stylus - Userstyles Manager
Ghostery Browser Extension for Firefox, Chrome, Opera and Edge
DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome
Allows adding extensions from chrome web store on ungoogled-chromium
Web Extension for Firefox/Chrome/MS Edge and CLI tool
A GNOME theme for Firefox
}Unity Plugin for the Google Mobile Ads SDK
The missing bridge between Java and native C++
A datepicker for twitter bootstrap
Consolidate and extend hosts files from several well-curated sources
jQuery Validation Plugin library sources
A portable modern multi-threading download manager for all platforms