Uwp GitHub Repositories (2026) · Open Source Tools

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

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

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

A modern, native UWP replacement for the Win32 Character Map and Windows Font Viewer with flawless high DPI and touch support.

An app that uses white noise, nature sounds, and focus features to boost your productivity.

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

Kiwix JS Offline Browser implemented as a Progressive Web App (PWA), and packaged as Electron, NWJS and UWP apps for Windows, Linux and macOS..

🎮 · Jazz² Resurrection: Native C++ reimplementation of Jazz Jackrabbit 2

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.

NLog - Flexible and Structured Logging for various .NET Platforms

Telegram for Windows

LibVLC-based media player for the Universal Windows Platform

The DirectX Tool Kit (aka DirectXTK) is a collection of helper classes for writing DirectX 11.x code in C++

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.

Simple, cross-platform chart library for .NET

The DirectX Tool Kit (aka DirectXTK12) is a collection of helper classes for writing DirectX 12 code in C++

DirectXMesh geometry processing library

Win Application Framework (WAF) is a lightweight Framework that helps you to create well structured XAML Applications.

C# helper library to talk to the Philips Hue bridge