Top WINUI3 GitHub Repositories & Tools (2026)

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

Free, open-source display control for Windows 11: one brightness slider for every monitor (DDC/CI and laptop panels), night light, focus mode, keep awake, per-monitor taskbar hiding and glass, OLED care, your monitor's own settings, hotkeys and a CLI.

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

🐹 Cleanup, app management, maintenance, disk analysis, and live status in one free, open-source, native Mac app + extensive support for AI agents.

.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

This app demonstrates the controls available in WinUI and the Fluent Design System.

An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

WinUI Extensions

Lightweight native Windows GUI client for Xray core, built with WinUI 3

Direct interop Code for .NET Framework, .NET Core and .NET 5+ : DXGI, WIC, DirectX 9 to 12, Direct2D, Direct Write, Direct Composition, Media Foundation, WASAPI, CodecAPI, GDI, Spatial Audio, DVD, Windows Media Player, UWP DXInterop, WinUI3, etc.

A modern hardware monitoring tool for Windows 11 built with WinUI 3.

Media Player .NET Library for WinUI 3/ WPF/WinForms (based on FFmpeg/DirectX)