Avalonia

Alternative to Xamarin

Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI

31k 2.8k223 HN points

MIT

last commit 2026-09-01

android app-framework avalonia avaloniaui browser c-sharp cross-platform csharp desktop dotnet

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Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI

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C#98.1%Objective-C++1.2%TypeScript0.4%C++0.1%HTML0.1%Objective-C0.1%C0%F#0%CSS0%Shell0%Batchfile0%JavaScript0%PowerShell0%

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Free alternative to Xamarin

Avalonia is a free, open-source alternative to Xamarin. Here's why:

💻 Build cross-platform UIs
🚀 C# & XAML development
📱 Desktop, Mobile, Web apps
✨ Modern GUI toolkit
🎨 Flexible UI design

See all open-source alternatives to Xamarin

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slug: avalonia