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Avalonia is a cross-platform UI framework for dotnet, providing a flexible styling system and supporting a wide range of platforms such as Windows, macOS, Linux, iOS, Android and WebAssembly. Avalonia is mature and production ready and is used by companies, includingSchneider Electric,Unity,JetBrains andGitHub.

Considered by many to be the spiritual successor to WPF, Avalonia UI provides a familiar, modern development experience for XAML developers creating cross-platform applications. While Avalonia UI issimilar to WPF, it isn't a 1:1 copy, and you'll find plenty of improvements.

For those seeking a cross-platform WPF, we have created Avalonia XPF, enabling WPF applications to run on macOS and Linux with little to no code changes. Avalonia XPF is a commercial product and is licensed per-app, per-platform.

To see the latest announcements and read about the state of Avalonia, check out theAvalonia UI Blog.

You can also see whatbreaking changes we have planned and what ourpast breaking changes have been.

Awesome Avalonia is community-curated list of awesome Avalonia UI tools, libraries, projects and resources. Go and see what people are building with Avalonia!

See ourGet Started guide to begin developing apps with Avalonia UI.

The AvaloniaVisual Studio Extension contains project and control templates that will help you get started, or you can use the .NET Core CLI. For a starter guide see ourdocumentation.

JetBrains Rider now has official support for Avalonia.

Code completion, inspections and refactorings are supported out of the box, for XAML previewer addhttps://plugins.jetbrains.com/plugins/dev/14839 to plugin repositories and installAvaloniaRider plugin.

Avalonia is delivered viaNuGet package manager. You can find the packages here:https://www.nuget.org/packages/Avalonia/

Use these commands in the Package Manager console to install Avalonia manually:

Install-Package AvaloniaInstall-Package Avalonia.Desktop

See what others have built with Avalonia UI on ourShowcase. We welcome submissions!

Avalonia development is supported by the generous sponsorship ofDevolutions.

Join our community hub to get early access to upcoming features, share your thoughts, and connect directly with the Avalonia team.

We also have anightly build which tracks the current state of master. Although these packages are less stable than the release on NuGet.org, you'll get all the latest features and bugfixes right away and many of our users actually prefer this feed!

Documentation can be found athttps://docs.avaloniaui.net.

We also have atutorial over there for newcomers.

We have arange of samples to help you get started.

See thebuild instructions here.

This project exists thanks to all the people who contribute.

Please read thecontribution guidelines before submitting a pull request.

This project has adopted the code of conduct defined by the Contributor Covenant to clarify expected behavior in our community.For more information see theCode of Conduct.

Avalonia is licenced under theMIT licence.

Donating to the project is a fantastic way to thank our valued contributors for their hard work. Your donations are shared among our community and awarded for significant contributions.

If you need support see Commercial Support section below.

Donate with BTC or useOpen Collective.

BTC: bc1q05wx78qemgy9x6ytl5ljk2xrt00yqargyjm8gx

Thank you to all our backers! 🙏 [Become a backer]

We have a range ofsupport plans available for those looking to partner with the creators of Avalonia, enabling access to the best support at every step of the development process.

Please note that donations are not considered payment for commercial support agreements. Please contact us to discuss your needs first.team@avaloniaui.net

Unleash the full potential of your existing WPF apps with our cross-platform UI framework, enabling WPF apps to run on macOS and Linux without requiring expensive and risky rewrites.