Universal Windows Platform

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

A framework for building native Windows apps with React.

A modern, lightweight text editor with a minimalist design.

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 composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable state out of the user interface, keeps each feature's logic in one readable place, and makes applications easier to test. Supports WPF, WinForms, WinUI, .NET MAUI, Avalonia, Uno Platform, Blazor and Android.

WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.

适用于新系统UI的哔哩

NLog - Flexible and Structured Logging for various .NET Platforms

Simple, flexible, interactive & powerful charts, maps and gauges for .Net

Telegram for Windows

MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.

LibVLC-based media player for the Universal Windows Platform

Social share, sending simple data to other apps.

.NET Community Toolkit is a collection of helpers and APIs that work for all .NET developers and are agnostic of any specific UI platform. The toolkit is maintained and published by Microsoft, and part of the .NET Foundation.

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

Microsoft's WinUI3 in Flutter.

An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Automatic directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP support, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#.

A .NET library to run C# code in parallel on the GPU through DX12, D2D1, and dynamically generated HLSL compute and pixel shaders, with the goal of making GPU computing easy to use for all .NET developers! 🚀

Add Custom Context Menu For Windows11

A small, yet powerful framework, designed for building applications across all XAML platforms. Its strong support for MV* patterns will enable you to build your solution quickly, without the need to sacrifice code quality or testability.