Best Windows Free Open Source Software

Popular open-source operating system

AI-powered image editing with GIMP

Fast async terminal file manager written in Rust

Play PS4 games on your computer for free

Auto-proxy client

Capture and share your screen instantly

A free, open-source IDE for Java and multi-language development

Self-hosted remote desktop alternative to TeamViewer

Ultra-fast file copy and synchronization for Windows

Python libraries for computational biology and bioinformatics

AI-powered video editing and generation

Open-source game launcher with a built-in downloader, library manager, and cloud saves

Free, open-source CI/CD server for modeling complex, real-world deployment pipelines.

A simple and elegant markdown editor

A note-taking app for networked thought

Operating system for robotics and driver assistance

Terminal music player inspired by winamp

Universal markup converter

Pure Go implementation of the WebRTC API

Clean and organized e-book reading experience

A secure password manager for teams

Fast, disk space efficient JavaScript package manager built for monorepos.

Polyglot dev tool version manager, environment variable loader, and task runner in one CLI.

A modern, open‑source file manager for Windows with tabs, dual‑pane and cloud support