Open Source Windows Tools
Discover 36 open source Windows repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Windows projects here are most often combined with Desktop App, Linux and macOS. Last updated October 3, 2026.
36 repositories · updated October 3, 2026
Espanso: A Privacy-First, Cross-Platform Text Expander for Productivity
Espanso is a powerful, privacy-first, and cross-platform text expander written in Rust, designed to significantly boost your productivity. It automates repetitive typing tasks by replacing keywords with predefined text, code snippets, or custom script outputs. This versatile tool enhances efficiency across Windows, macOS, and Linux.
moonlight-qt: Stream PC Games to Desktop and TV Devices
Moonlight PC is a cross-platform client for streaming games and desktop sessions from NVIDIA GameStream and Sunshine hosts. It suits players who want low-latency remote play with hardware decoding, modern video formats, HDR, and gamepad support.
Tauon: Play and Organize Desktop Music Libraries
Tauon is a desktop music player for people who want a responsive interface for local collections and music servers. It combines broad format support, library tools, and gapless playback, with downloads available for Linux, Windows, and macOS.
1Remote: Manage and Launch Remote Sessions
1Remote is a Windows desktop app for organizing and launching remote sessions from one place. It supports protocols including RDP, SSH, VNC, Telnet, and SFTP, with configurable connection details and runners.
winboat: Run Windows Apps on Linux
WinBoat runs a Windows virtual machine in a Docker or Podman container and integrates its apps into a Linux desktop. It suits Linux users who need Windows software without leaving their usual workflow, but requires virtualization and substantial disk space.
shadPS4: Emulate PlayStation 4 Games on Desktop
shadPS4 is an early-stage PlayStation 4 emulator written in C++ for Windows, Linux, and macOS. It targets developers and users exploring PS4 emulation, but compatibility and stability vary by game.
systeminformer: Monitor Windows Activity and Debug Processes
System Informer is a Windows utility for monitoring system resources, inspecting processes, debugging software, and investigating malware. It suits administrators and developers who need detailed, real-time visibility into system activity.
EverythingToolbar: Search Files from the Windows Taskbar
EverythingToolbar brings Everything search to the Windows taskbar, so you can find and open files without switching to a separate search window. It suits Windows 10 and 11 users who already run Everything and want faster access to its indexed search.
MSEdgeRedirect: Open Edge-Directed Links in Your Default Browser
MSEdgeRedirect redirects links and commands that would open in Microsoft Edge to your default browser. It is designed for Windows users who want to keep their preferred browser for Windows search, widgets, news, and other Edge-directed links.
DeepFaceLive: Real-Time Face Swapping for Video
DeepFaceLive is a Windows desktop app for swapping faces from a webcam or video in real time, and for animating a still face image. It targets streamers and video-call users with a compatible GPU.
Vividl: Download and Convert Online Videos on Windows
Vividl is a Windows desktop app that uses yt-dlp or youtube-dl to download videos from supported websites. Choose formats, convert video or extract audio, and manage multiple downloads in a graphical interface.
duf: Inspect Disk Space Across Filesystems
duf is a cross-platform command-line utility for viewing filesystem capacity and usage in a readable, sortable format. It helps system administrators and everyday users quickly compare mounted devices, filter results, and export disk information as JSON.