GitHub Open Source Insight
Computed at Sep 11, 2026GitHub repo leaderboard by stars, growth rate and activity.
AvaloniaUI
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI
C#31,477 starslast pushed 57 minutes agodotnet-architecture
Cross-platform .NET sample microservices and container based application that runs on Linux Windows and macOS. Powered by .NET 7, Docker Containers and Azure Kubernetes Services. Supports Visual Studio, VS for Mac and CLI based environments with Docker CLI, dotnet CLI, VS Code or any other code editor. Moved to https://github.com/dotnet/eShop.
C#24,319 starslast pushed 3 years agomono
Mono open source ECMA CLI, C# and .NET implementation.
C#11,464 starslast pushed 2 years agounoplatform
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#10,046 starslast pushed 4 hours agoreactiveui
The automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, Refit turns your REST API into a live interface.
C#9,568 starslast pushed 2 days agoAn advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.
C#8,538 starslast pushed 2 days agoMessagePack-CSharp
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
C#6,773 starslast pushed 4 days agoNLog
NLog - Flexible and Structured Logging for various .NET Platforms
C#6,544 starslast pushed 7 hours agoSkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.
C#5,570 starslast pushed 1 hour agoxamarin
Xamarin.Forms is no longer supported. Migrate your apps to .NET MAUI.
C#5,532 starslast pushed 2 years ago
| # | Repo | Language | Stars | 30-day trend | Last updated |
|---|---|---|---|---|---|
| 1 | AvaloniaUI Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI | C# | 31,477 | last pushed 57 minutes ago | |
| 2 | dotnet-architecture Cross-platform .NET sample microservices and container based application that runs on Linux Windows and macOS. Powered by .NET 7, Docker Containers and Azure Kubernetes Services. Supports Visual Studio, VS for Mac and CLI based environments with Docker CLI, dotnet CLI, VS Code or any other code editor. Moved to https://github.com/dotnet/eShop. | C# | 24,319 | last pushed 3 years ago | |
| 3 | mono Mono open source ECMA CLI, C# and .NET implementation. | C# | 11,464 | last pushed 2 years ago | |
| 4 | unoplatform 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# | 10,046 | last pushed 4 hours ago | |
| 5 | reactiveui The automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, Refit turns your REST API into a live interface. | C# | 9,568 | last pushed 2 days ago | |
| 6 | reactiveui An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application. | C# | 8,538 | last pushed 2 days ago | |
| 7 | MessagePack-CSharp Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#] | C# | 6,773 | last pushed 4 days ago | |
| 8 | NLog NLog - Flexible and Structured Logging for various .NET Platforms | C# | 6,544 | last pushed 7 hours ago | |
| 9 | mono SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images. | C# | 5,570 | last pushed 1 hour ago | |
| 10 | xamarin Xamarin.Forms is no longer supported. Migrate your apps to .NET MAUI. | C# | 5,532 | last pushed 2 years ago |
All · 11,658