Open Source Windows Tools
Windows is a widely used desktop operating system for running applications, managing files, connecting devices, and working across personal and business environments. Tools built for Windows can extend or customize the desktop, automate routine tasks, improve security, support remote access, and help users manage media and other content. They range from small utilities to applications that interact closely with system settings and services.
Open source Windows software includes desktop applications, command-line utilities, customization tools, automation frameworks, and security software. When choosing a tool, check which Windows versions it supports, its installation and hardware requirements, license terms, maintenance activity, and compatibility with your existing setup. Consider how it handles updates and permissions, especially when it changes system behavior. These tools can be useful for home users, administrators, developers, and organizations seeking greater control or transparency.
34 repositories · updated October 11, 2026
mcp-server-excel: Automate Microsoft Excel with AI
mcp-server-excel lets AI assistants and coding agents automate the real Microsoft Excel application through MCP or a CLI. It suits Windows users who need workbook operations that file parsers cannot perform, such as refreshing Power Query or running VBA.
ActiveHealth 74/100
helium: A Privacy-Focused Chromium Web Browser
Helium is a Chromium-based browser focused on privacy, unbiased ad-blocking, and a simpler browsing experience. It is aimed at people who want Chromium compatibility without extra browser clutter.
ActiveHealth 88/100
Recordly: Create and Edit Polished Screen Demo Videos
Recordly is a desktop screen recorder and editor for creating polished walkthroughs, product demos, and other short videos. It combines recording, timeline edits, cursor and webcam styling, and MP4 or GIF export across macOS, Windows, and Linux.
ActiveHealth 74/100
REAL-Video-Enhancer: Interpolate and Upscale Videos
A desktop video-processing app for interpolating frames, upscaling, decompressing, and denoising video on Windows, Linux, and macOS. It offers several inference backends for different GPU hardware.
ActiveHealth 34/100
PYAS: Layered Windows Endpoint Protection
PYAS combines local malware scanning, machine-learning classification, YARA rules, optional cloud analysis, and Windows kernel protections in a desktop security tool. It suits Windows security research and users willing to configure and evaluate an actively developed, source-available project.
ActiveHealth 44/100
OpenLogi: Configure Logitech Devices Locally
OpenLogi is a Rust desktop app and CLI for configuring Logitech mice, keyboards, lights, and webcams over HID++ and UVC. It offers local configuration without an account or telemetry, with support for macOS, Linux, and Windows.
NewHealth 70/100
cascadia-code: A Monospaced Font for Coding
Cascadia Code is a monospaced coding font designed for Windows Terminal and other development environments. It offers ligatures, multiple variants, and broad font-format support for developers who want customizable code typography.
InactiveHealth 29/100
xtool: Build and Deploy iOS Apps Across Platforms
xtool provides a SwiftPM-based workflow for building, signing, and installing iOS apps without relying on Xcode on every development machine. It is aimed at Swift developers who want to work from Linux, Windows, or macOS and interact with Apple Developer Services programmatically.
ActiveHealth 58/100
vicinae: A Native Desktop Launcher and Command Palette
Vicinae is a native command palette that brings app search and desktop utilities into one launcher. It suits desktop power users who want a fast, extensible alternative to switching between separate tools.
ActiveHealth 79/100
libwebrtc: Build WebRTC C++ Binaries for Desktop and Embedded Targets
libwebrtc wraps WebRTC C++ code in binaries for Windows, Linux, and embedded Linux, primarily for flutter-webrtc desktop releases. It is aimed at developers building or distributing platform-specific WebRTC components.
ActiveHealth 42/100
Apollo: Stream Your Desktop at a Client's Native Resolution
Apollo is a self-hosted desktop streaming host derived from Sunshine, designed to match streams to a client’s native resolution and frame rate. It supports hardware encoding across AMD, Intel, and Nvidia GPUs, with a web UI for setup and pairing.
QuietHealth 52/100
UFO: Automate Desktop Tasks Across Devices with AI Agents
UFO combines a Windows desktop agent with a framework for coordinating agents across devices and platforms. Use it for Windows automation or multi-step workflows that need task planning, device assignment, and parallel execution.
ActiveHealth 48/100