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.

.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.

Mapsui is a .NET Map component for: MAUI, Avalonia, Uno Platform, Blazor, WPF, WinUI, Windows Forms, Eto Forms, .NET for Android and .NET for iOS

Collection of controls, helpers and extension for WinUI 2, WinUI 3, and Uno Platform developers. Simplifies and demonstrates common developer tasks building experiences for Windows with .NET.

Personal Area Networking for .NET. Open source and professionally supported

XamlFlair is an animation library for UWP, WPF, and Uno, built to facilitate Xaml animations using only attached properties.

Concise, declarative C# UI markup for .NET browser / native UI frameworks

A collection of tools to accelerate XAML development within Visual Studio. These include XAML analysis, XAML generations, plus templates and helpers.

A space to collaborate and engineer solutions from the prototyping stage all the way through polished finalized component for the Windows Community Toolkit.

Uno Calculator: A simple yet powerful iOS/Android/WebAssembly/Linux C# port of the calculator that ships with Windows

Eppie — open protocol encrypted p2p email

A light weight TableView/DataGrid for WinUI.

MvvmGen is a lightweight MVVM library for XAML applications. It generates your ViewModels on-the-fly for you via a Roslyn-based C# Source Generator.

A collection of code samples for the Uno Platform

Source code for the Uno Gallery apps and Uno Playground (made in Wasm)

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

This library is designed to help you use the Material, Fluent or Cupertino design system with the Uno Platform

Home of the Prism Docs Website

The Uno Platform Gallery application

Dependency property, routed event and weak event source generator for WPF/UWP/WinUI/Uno/Avalonia/MAUI platforms.