Code Quality Rank: L3
Programming language: C#
License: MIT License
Tags: GUI    
Latest version: v0.10.0-preview6

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๐Ÿ“– About

Avalonia is a cross-platform UI framework for dotnet, providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, macOS. Avalonia is mature and production ready. We also have in beta release support for iOS, Android and in early stages support for browser via WASM.


To see the status of some of our features, please see our Roadmap. You can also see what breaking changes we have planned and what our past 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!

๐Ÿš€ Getting Started

The Avalonia Visual 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 our documentation.

Avalonia is delivered via NuGet 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 Avalonia
Install-Package Avalonia.Desktop


Examples of UIs built with Avalonia (Lunacy)

image (PlasticSCM)

image (WasabiWallet)

JetBrains Rider

JetBrains Rider now has official support for Avalonia.

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

Bleeding Edge Builds

We also have a nightly 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 at https://docs.avaloniaui.net. We also have a tutorial over there for newcomers.

Building and Using

See the [build instructions here](Documentation/build.md).


This project exists thanks to all the people who contribute.

Please read the [contribution guidelines](CONTRIBUTING.md) before submitting a pull request.

Code of Conduct

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


Avalonia is licenced under the [MIT licence](licence.md).


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 use Open Collective.

BTC: bc1q05wx78qemgy9x6ytl5ljk2xrt00yqargyjm8gx


Thank you to all our backers! ๐Ÿ™ [Become a backer]


Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]

Commercial Support

We have a range of support 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. [[email protected]](mailto://[email protected])

.NET Foundation

This project is supported by the .NET Foundation.

*Note that all licence references and agreements mentioned in the Avalonia README section above are relevant to that project's source code only.