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AvaloniaUI / Avalonia

git clone https://github.com/AvaloniaUI/Avalonia.git 12.1.4 · 11d ago 🔥 on GitHub Trending today

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

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Star history starts 2026-10-20; the chart appears after the second daily snapshot.

LanguageC#
LicenseMIT
Created2013-12-05 (12y ago)
Last pushtoday
Watchers476
OwnerOrganization

Seen on GitHub Trending

  • 2026-10-20 — #20 monthly in c# · +223 ★

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README excerpt
## 📖 About 
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, including Schneider Electric, Unity, JetBrains and GitHub.
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 is similar 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. 
### Blog
To see the latest announcements and read about the state of Avalonia, check out the Avalonia UI Blog.
### Sponsorship
Avalonia development is supported by the generous sponsorship of Devolutions. 
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## 🚀 Getting Started
See our Get Started guide to begin developing apps with Avalonia UI. 
### Visual Studio Code
The Avalonia for Code extension gives you everything you need to build cross-platform .NET apps. XAML previewing, code completion, diagnostics, and code navigation, all inside the world's most popular editor. It's the fastest way to get started with Avalonia.
### Visual Studio 2022 & 2026
The Avalonia Visual Studio Extension contains project and control templates, a live XAML previewer, code completion, and full diagnostics directly into Visual Studio. 
### JetBrains Rider
JetBrains Rider supports for Avalonia.
Code completion, inspections and refactorings are supported out of the box. To enable previewing XAML, you will require a 3rd party, community-maintained extension: `https://plugins.jetbrains.com/plugins/dev/14839` to plugin repositories and install AvaloniaRider plugin.
### Avalonia Packages
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:
 [code] 
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## 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!
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## Learning
### Documentation 
Documentation can be found at https://docs.avaloniaui.net. 
### Tutorials 
We also have a tutorial over there for newcomers.
### Samples
We have a range of samples to help you get started.
### Breaking Changes
You can also see what breaking changes between Avalonia 11 and Avalonia 12. 
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## Building and Using
See the build instructions here.
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## Contributing
This project exists thanks to all the people who contribute. Please read the contribution guidelines before submitting a pull request.
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