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A multi-platform .NET UI framework
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danwalmsley Merge pull request #3345 from AvaloniaUI/fixes/filter-snap-dir-linux
Exclude snap directories in Managed Dialogs volume enumeration
Latest commit 9e34731 Dec 12, 2019
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.github Create FUNDING.yml May 23, 2019
.ncrunch Make ncrunch work again. May 15, 2019
build Add GlyphRun support Dec 6, 2019
native/Avalonia.Native [OSX] use sensible initial window size values Dec 11, 2019
nukebuild Java SDK workaround for azure pipelines Jul 16, 2019
packages/Avalonia Disable IL verification for nuget version of compiler by default Oct 19, 2019
samples Add GlyphRun support Dec 6, 2019
scripts fix nuget replace script. Sep 9, 2019
src Merge branch 'master' into fixes/filter-snap-dir-linux Dec 11, 2019
tests enable valid xamlil test (disabled before because of portable.xaml) Dec 7, 2019
.editorconfig Reformat Avalonia.Diagnostics. Jul 20, 2019
.gitattributes Initial commit Dec 5, 2013
.gitignore Merge branch 'master' of Jul 11, 2019
.gitmodules Removed legacy XAML loader Jun 12, 2019
.nuke Switched build to Nuke Dec 1, 2018
Avalonia.sln Initial implementation of a font manager Nov 1, 2019
Avalonia.sln.DotSettings NativeMenu/NativeMenu item with dbusmenu-based exporter Sep 11, 2019
Avalonia.v3.ncrunchsolution Make ncrunch run again. Jan 16, 2019 Adopted Conributor Covenant v1.4 Oct 23, 2019
Directory.Build.props Switched to post-processing nuget packages from AggregatePackage SDK Dec 6, 2018
NuGet.Config Added cake build scripts Aug 16, 2016
Settings.StyleCop Stylecop fixes. Dec 4, 2014
azure-pipelines.yml Merge branch 'master' into dotnet-core-sdk-update Nov 15, 2019 add some key mappings for osx Jul 9, 2019
build.ps1 Switched build to Nuke Dec 1, 2018 Switched build to Nuke Dec 1, 2018
dirs.proj diable android builds Sep 28, 2019
global.json update sdk extras? Sep 27, 2019 Added Dec 9, 2014 Updated file Oct 21, 2019


Gitter Chat Build Status (Win, Linux, OSX) Open Collective NuGet MyGet
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Avalonia is a WPF/UWP-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems such as Windows (.NET Framework, .NET Core), Linux (via Xorg), macOS and with experimental support for Android and iOS.

Avalonia is ready for General-Purpose Desktop App Development. However, there may be some bugs and breaking changes as we continue along into this project's development. To see the status of some of our features, please see our Roadmap here.

Control catalog Desktop platforms Mobile platforms

Getting Started

Avalonia Visual Studio Extension contains project and control templates that will help you get started. After installing it, open "New Project" dialog in Visual Studio, choose "Avalonia" in "Visual C#" section, select "Avalonia .NET Core Application" and press OK (screenshot). Now you can write code and markup that will work on multiple platforms!

For those without Visual Studio, a starter guide for .NET Core CLI can be found here.

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

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

Install-Package Avalonia
Install-Package Avalonia.Desktop

Bleeding Edge Builds

or use nightly build feeds as described here:


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

Contributions for our docs are always welcome!

Building and Using

See the build instructions here.


Please read the contribution guidelines before submitting a pull request.


This project exists thanks to all the people who contribute. [Contribute].


Thank you to all our backers! 🙏 [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]

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