Top WINUI GitHub Repositories & Tools (2026)

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

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

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.

A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.

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.

DevWinUI is a collection of useful classes, controls, styles, and codes for WinUI 3. Create a WinUI 3 app in less than a minute with the built-in project templates and scaffolding tools.

Rediscover your local music collection with Nagi, a music player focused on speed, simplicity, and privacy. Nagi is built with C# and WinUI 3 to offer a clean, native Fluent experience. It's beautiful, efficient, and respects your privacy.

Experimental and pre-release tools for .NET MAUI

A multi-framework control library of https://github.com/microsoft/fluentui-system-icons

Cross-platform GPU rendering, composition, vector, text, compute, and DirectX/LibreWPF/WinUI/Avalonia interop on WebGPU and Silk.NET.

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

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