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A multi-platform .NET UI framework. It can run on Windows, Linux, Mac OS X, iOS and Android.

Desktop platforms:

Mobile platforms:

Avalonia is delivered as a NuGet package. You can find the packages here: (stable(ish), nightly)

You can install the package like this: Install-Package Avalonia -Pre

Try out the latest build of Avalonia available for download here: https://ci.appveyor.com/project/AvaloniaUI/Avalonia/branch/master/artifacts

Try out the ControlCatalog to give it a quick demo.

Avalonia is a multi-platform windowing toolkit - somewhat like WPF - that is intended to be multi- platform. It supports XAML, lookless controls and a flexible styling system, and runs on Windows using Direct2D and other operating systems using Gtk & Cairo.

Avalonia is now in alpha. What does "alpha" mean? Well, it means that it's now at a stage where you can have a play and hopefully create simple applications. There's now a Visual Studio Extension containing project and item templates that will help you get started, and there's an initial complement of controls. There's still a lot missing, and you will find bugs, and the API will change, but this represents the first time where we've made it somewhat easy to have a play and experiment with the framework.

As mentioned above, Avalonia is still in alpha and as such there's not much documentation yet. You can take a look at the getting started page for an overview of how to get started but probably the best thing to do for now is to already know a little bit about WPF/Silverlight/UWP/XAML and ask questions in our Gitter room.

There's also a high-level architecture document that is currently a little bit out of date, and I've also started writing blog posts on Avalonia at http://grokys.github.io/.

Contributions are always welcome!

See the build instructions here

Please read the contribution guidelines before submitting a pull request.