Windows 11 GitHub Repositories (2026) · Open Source Tools

Open-source Windows and Office activator featuring HWID, Ohook, TSforge, and Online KMS activation methods, along with advanced troubleshooting.

A free, open-source Windows desktop organizer with native-feeling WinUI 3 widgets.

Open-source Windows game resource manager. Suppresses background processes, gives games exclusive CPU cores, steers device interrupts off game cores, applies per-game GPU driver, memory and power policies, and restores every change after play. No injection, no telemetry. GPL-3.0.

The Fully Customizable Desktop Environment for Windows 10/11.

Free and open-source software that allows users to set animated desktop wallpapers and screensavers powered by WinUI 3.

UniGetUI: The Graphical Interface for your package managers. Could be terribly described as a package manager manager to manage your package managers

Use Omarchy Linux on Windows without any hassle.

A modern file manager that helps users organize their files and folders.

The modern Flyout app for Windows 11, built with Fluent 2 Design principles. Media Flyouts, Taskbar Widgets and more.

Safely change Windows 11 / 10 system fonts everywhere including all modern apps and third party apps

Phone Link / KDE Connect alternative

A native glass desktop for Windows 11: floating taskbar and desktop widgets with real-time refraction. Architecture review and verified feasibility probes.

Convert, Compress, Resize, and more in Windows Explorer.

Port of macOS Mojave Dynamic Desktop feature to Windows

Leightweight windows calendar app

Windows Calculator: A simple yet powerful calculator that ships with Windows

App Group lets you organize, customize, and launch your apps.

A lightweight, open-source network monitor for Windows that displays live upload/download speeds directly on the Taskbar with a native look and feel.

A fast, native Windows productivity launcher inspired by Raycast. Search and launch apps, system tools instantly.

A free, open-source Stardock Fences alternative for Windows 11 and 10. Glass fences, live folders, tabs, Peek. Rust, a few MB of RAM at rest, 11 languages, portable.