Top XAML GitHub Repositories & Tools (2026)

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

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

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

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

Agents and skills for building Windows apps with WinUI 3 and the Windows App SDK

A feature-complete reader and client for LANraragi

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.

Built-in Mail & Calendars app clone for Windows.