winui — open-source software health

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98Exceptionalhealth index

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

C#★ 23.3KSep 16, 2026

MITSep 16, 2026 · metrics 2.10.0

NuGet

98Exceptionalhealth index

microsoft/microsoft-ui-xaml

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

C++ · C#★ 7,933Aug 28, 2026

MITAug 28, 2026 · metrics 2.10.0

NuGet · npm

98Exceptionalhealth index

unoplatform/uno

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.

C#★ 10KAug 28, 2026

Apache-2.0Aug 28, 2026 · metrics 2.10.0

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97Exceptionalhealth index

microsoft/WindowsAppSDK

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

C++★ 4,666Aug 28, 2026

MITAug 28, 2026 · metrics 2.10.0

npm · NuGet

96Exceptionalhealth index

microsoft/winappCli

winapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging, generating app identity, manifests, certificates, and using build tools with any app framework.

C#★ 1,246↓ 4,215/moSep 11, 2026

MITSep 11, 2026 · metrics 2.10.0

NuGet

94Exceptionalhealth index

CommunityToolkit/Maui

The .NET MAUI Community Toolkit is a community-created library that contains .NET MAUI Extensions, Advanced UI/UX Controls, and Behaviors to help make your life as a .NET MAUI developer easier

C#★ 2,696Sep 11, 2026

MITSep 11, 2026 · metrics 2.10.0

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93Exceptionalhealth index

unoplatform/Uno.Themes

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

C#★ 188Sep 13, 2026

Apache-2.0Sep 13, 2026 · metrics 2.10.0

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90Excellenthealth index

CommunityToolkit/Windows

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.

C#★ 1,063Sep 16, 2026

Custom licenseSep 16, 2026 · metrics 2.10.0

NuGet

89Excellenthealth index

lepoco/wpfui

WPF UI provides the Fluent experience in your known and loved WPF framework. Intuitive design, themes, navigation and new immersive controls. All natively and effortlessly.

C#★ 9,639Sep 16, 2026

MITSep 16, 2026 · metrics 2.10.0

NuGet

88Excellenthealth index

Mapsui/Mapsui

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

C#★ 1,577Oct 16, 2026

MITOct 16, 2026 · metrics 2.10.0

npm · PyPI · crates.io

88Excellenthealth index

microsoft/dynwinrt

Use WinRT methods dynamically

Rust★ 59↓ 3,763/moSep 14, 2026

MITSep 14, 2026 · metrics 2.10.0

NuGet

87Excellenthealth index

w-ahmad/WinUI.TableView

A light weight TableView/DataGrid for WinUI.

C#★ 355Aug 26, 2026

MITAug 26, 2026 · metrics 2.10.0

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83Excellenthealth index

HavenDV/H.NotifyIcon

TrayIcon for WPF/WinUI/Uno/MAUI

C#★ 765Sep 15, 2026

MITSep 15, 2026 · metrics 2.10.0

NuGet

81Excellenthealth index

MahApps/MahApps.Metro

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

C#★ 9,820Aug 28, 2026

MITAug 28, 2026 · metrics 2.10.0

NuGet

78Goodhealth index

reactiveui/ReactiveUI.SourceGenerators

Roslyn source generators that write ReactiveUI boilerplate at compile time. Attributes such as [Reactive], [ObservableAsProperty], [ReactiveCommand] and [IViewFor] produce reactive properties, commands and view bindings without reflection or IL weaving.

C#★ 71Sep 26, 2026

Custom licenseSep 26, 2026 · metrics 2.10.0

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75Goodhealth index

bdlukaa/fluent_ui

Microsoft's WinUI3 in Flutter.

Dart★ 3,472Oct 13, 2026

BSD-3-ClauseOct 13, 2026 · metrics 2.10.0

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75Goodhealth index

calvinhxx/Fluent-Qt

FluentQt (Fluent-Qt): Fluent / WinUI-style Qt Widgets UI components and Gallery for native C++ desktop apps, with optional PySide6 bindings and WebAssembly.

C++ · Python★ 108Sep 15, 2026

MITSep 15, 2026 · metrics 2.10.0

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73Goodhealth index

HavenDV/DependencyPropertyGenerator

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

C#★ 154Sep 10, 2026

MITSep 10, 2026 · metrics 2.10.0

NuGet

73Goodhealth index

reactivemarbles/Extensions.Hosting

An Extension of the Microsoft.Extensions.Hosting library with the aim of allowing windows applications to use the hosting base.

C#★ 17Sep 14, 2026

MITSep 14, 2026 · metrics 2.10.0

NuGet

71Goodhealth index

Simnico99/MicaWPF

This is a library to make Mica available in WPF.

C#★ 269Sep 17, 2026

MITSep 17, 2026 · metrics 2.10.0

NuGet · npm · PyPI

65Goodhealth index

davidxuang/FluentIcons

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

C# · TypeScript★ 224Oct 21, 2026

MITOct 21, 2026 · metrics 2.10.0

NuGet

63Moderatehealth index

SuRGeoNix/Flyleaf

Media Player .NET Library for WinUI 3/ WPF/WinForms (based on FFmpeg/DirectX)

C#★ 906Sep 18, 2026

LGPL-3.0Sep 18, 2026 · metrics 2.10.0

NuGet

54Moderatehealth index

unoplatform/Uno.WindowsCommunityToolkit

The Windows Community Toolkit is a collection of helper functions, custom controls, and app services. It simplifies and demonstrates common developer tasks building UWP apps for Windows 10. The toolkit is part of the .NET Foundation.

C#★ 65Oct 15, 2026

Custom licenseOct 15, 2026 · metrics 2.10.0

NuGet

51Moderatehealth index