Best Windows Open Source Software

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.

Open-source, no-code game engine for building and publishing 2D games.

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

Animated desktop wallpapers and screensavers powered by WinUI 3

Watch movies and TV shows instantly via torrent streaming

Generate Software Bill of Materials from container images and filesystems

A modern, automatic HTTPS web server and reverse proxy

Fast, secure file sharing across your local network

Free backup software to store encrypted backups online