Introducing Avalonia XPF preview.

Cross-platform WPF, powered by Avalonia UI.

Create Multi-Platform Apps with .NET

Avalonia UI .

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Supported Platforms

You're in good company.

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Effortlessly build beautiful apps for every platform.

Avalonia UI is an open source UI framework for building stunning, desktop, mobile, web and embedded applications using a .NET single codebase.

Bring your favourite tools.

Visual Studio. If you love to develop in Visual Studio, then you’re in luck! The Avalonia Extension provides XAML IntelliSense and a built-in XAML previewer.

JetBrains Rider & ReSharper. Offering the deepest understanding of Avalonia UI, and extensive integration with their tools, JetBrains delivers huge productivity gains for Avalonia UI developers.

JetBrains Rider IDE screenshot

A proven path for WPF app modernization.

Familiar. Considered a spiritual successor to WPF, Avalonia UI provides a familiar developer experience allowing you to leverage years of pre-existing knowledge and investments.

Proven. Trusted by JetBrains as the best framework for modernising their WPF based tools, used by >170,000 companies, including 431 on the Fortune 500 list.

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The numbers

Join a growing community.

We’ve seen enormous growth in our developer community as Avalonia UI has grown in popularity. Join us and be welcomed into our supportive and vibrant community.




Loved by developers.

Trusted by enterprise.

Get Started