Winui3 GitHub Repositories (2026) · Open Source Tools

A free, open-source Windows desktop organizer with native-feeling WinUI 3 widgets.

Free and open-source software that allows users to set animated desktop wallpapers and screensavers powered by WinUI 3.

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

Agent plugins for building Windows apps with GitHub Copilot, Claude Code, OpenAI Codex, and more.

🐹 Cleanup, app management, maintenance, disk analysis, and live status in one free, open-source, native Mac app + extensive support for AI agents.

Safely change Windows 11 / 10 system fonts everywhere including all modern apps and third party apps

Lightweight native Windows GUI client for Xray core, built with WinUI 3

A tiny simple, elegant, internet radio player for Windows which lives completely in the tray.

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

A new, modern hardware monitoring tool for Windows 11, built with WinUI 3.

A lightweight macOS & Windows menu bar app for capturing screenshots (PNG), video (MP4), and animated GIFs of a selected screen region.

A light weight TableView/DataGrid for WinUI.

The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

DevWinUI is a collection of useful classes, controls, styles, and codes for WinUI 3. Create a WinUI app in less than a minute with the built-in project templates and scaffolding tools.

An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

The .NET MVVM framework for cross-platform solutions, including Android, iOS, MacCatalyst, macOS, tvOS, WPF, WinUI

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.

A cross-platform declarative UI framework, inspired by SwiftUI.

Modular Windows/Android toolkit for Arknights: Endfield: BEM model mods and creator tools, native plug-ins, MMD playback, camera/UI controls, character voices, title-screen customization, and PC combat/gacha tools.