Universal Windows Platform

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

A modern file manager for Windows

A framework for building native Windows apps with React.

A Swiss Army knife for developers.

An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.

Build Mobile, Desktop and WebAssembly apps with C# and XAML. Today. Open source and professionally supported.

A modern, lightweight text editor with a minimalist design.

适用于新系统UI的哔哩

NLog - Advanced and Structured Logging for Various .NET Platforms

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

The Windows Community Toolkit is a collection of helpers, extensions, and custom controls. It simplifies and demonstrates common developer tasks building .NET apps with UWP and the Windows App SDK / WinUI 3 for Windows 10 and Windows 11. The toolkit is part of the .NET Foundation.

Windows UI Library: the latest Windows 10 native controls and Fluent styles for your applications

A small C library for building user interfaces with C, XML and CSS.

The .NET MVVM framework for cross-platform solutions, including Xamarin.iOS, Xamarin.Android, Windows and Mac.

Social share, sending simple data to other apps.

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/.

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.

Template Studio accelerates the creation of new WinUI 3, WPF, and UWP apps using a wizard-based experience.

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#.

Telegram for Windows