Browse free open source Browsers and projects for Windows below. Use the toggles on the left to filter open source Browsers by OS, license, language, programming language, and project status.
Portable software for cloud, local, and portable USB drives
Browser for using Tor on Windows, Mac OS X or Linux
A fast and customizable web browser for Windows using Gecko.
The faster, safer desktop browser for macOS, Windows, and Linux
A Mozilla-based browser designed for the 64-bit architecture
Extension that allows you to intercept and edit HTTP/HTTPS requests
Project aiming to recreate the best aspects of Opera 12.x UI using Qt5
WebDriver for Firefox
Portable version of the Chromium web browser
Private, fast, and honest web browser
The DB Browser for SQLite
Modern Firefox based web browser for Windows Vista & 7!
Browser automation framework and ecosystem
Beautiful, responsive, highly customizable popup boxes
Chromium fork named after radioactive element No. 90
Python Development Environment with all batteries included
The official GitHub mirror of the Chromium source
All of source code of version 10 or later of Floorp Browser
Privacy-focused web browser fork of Firefox
Core server and tier 1 (built-in) plugins
A chrome extension for automating your browser by connecting blocks
.NET bindings for the Chromium embedded framework