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Avalonia (software framework)
Avalonia (software framework)
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Avalonia (software framework)
Avalonia
Developer(s).NET Foundation and AvaloniaUI OÜ
Initial releaseDecember 5, 2013; 11 years ago (2013-12-05)[1]
Stable release
11.3.3[2] Edit this on Wikidata / 5 August 2025
Repositorygithub.com/AvaloniaUI/Avalonia
Written inC#
Operating systemWindows, Linux, macOS, iOS, Android
TypeSoftware framework
LicenseMIT License
Websitehttps://avaloniaui.net/

Avalonia is a free and open-source[3][4] .NET cross-platform XAML-based UI framework [5] inspired by WPF/UWP and distributed under the MIT License.[6][7][8] Avalonia supports the MVVM pattern.[9]

It enables development of cross-platform applications using any .NET language, including C#, F#[10] and VB.NET for Windows, Linux, macOS, iOS, Android and WebAssembly.[11][12]

Avalonia supports multiple renderers, including Direct2D and Skia Graphics Engine,[13] allowing it to operate on a broad range of platforms. Avalonia draws its entire UI,[14] mirroring the approach taken by Flutter.

History

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Avalonia, originally named Perspex,[15] was first developed by Steven Kirk, with its initial commit made on 5 December 2013. The framework was conceived with the aim of creating a cross-platform UI framework, inspired by Windows Presentation Foundation (WPF).[16]

Avalonia became part of the .NET Foundation[17] on 1 April 2020,[18] and left on 20 February 2024.[19]

On 24 June 2025, Avalonia announced a $3 million sponsorship from Devolutions to support the continued development of the framework while maintaining its free and open-source nature.[20]

IDE support

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Avalonia maintains supports for the following IDEs and editors via plugins:

Other IDEs can be used with community-supported plugins, including JetBrains Rider.[24]

References

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  1. ^ "First commit to the Avalonia source code". GitHub. Retrieved 5 Dec 2013.
  2. ^ "Release 11.3.3". 5 August 2025. Retrieved 14 August 2025.
  3. ^ "Multiplatform XAML/C# Miracle Package: Avalonia. Comparing Avalonia to WinUI based Solutions". CodeProject. 2023-08-20. Retrieved 2023-12-22.
  4. ^ Anderson, Tim. "Cross-platform Windows Presentation Framework, anyone? The short answer: yes. Unpacking Avalonia". www.theregister.com. Retrieved 2023-12-22.
  5. ^ "ReSharper & Rider Improvements For Avalonia". The JetBrains Blog. 2021-04-12. Retrieved 2023-12-22.
  6. ^ Avalonia on GitHub
  7. ^ Jonathan Allen (2018-02-15). "An Early Look at Avalonia, a Cross-Platform UI Toolkit for .NET". InfoQ. Archived from the original on 2019-12-27. Retrieved 2019-09-19.
  8. ^ Kay Ewbank (2019-03-07). "Avalonia Cross Platform .NET UI Framework". I Pogrammer. Archived from the original on 2018-05-14. Retrieved 2019-09-19.
  9. ^ "The MVVM Pattern | Avalonia Docs". docs.avaloniaui.net. Retrieved 2024-08-12.
  10. ^ "Lost in Details". lostindetails.com. Retrieved 2023-12-22.
  11. ^ adrianhall (2023-09-08). "Build an Avalonia app with Azure Mobile Apps". learn.microsoft.com. Retrieved 2023-12-22.
  12. ^ "Avalonia Reaches v11 GA Release". InfoQ. Retrieved 2023-12-22.
  13. ^ Anderson, Tim (2023-07-10). "Avalonia 11 released: cross-platform framework gets new renderer plus iOS and Android support • DEVCLASS". DEVCLASS. Retrieved 2023-12-22.
  14. ^ "Avalonia UI for .NET: Project Overview from Mike James". InfoQ. Retrieved 2023-12-22.
  15. ^ "10 years of Avalonia!". www.avaloniaui.net. 2019-05-20. Retrieved 2023-12-21.[permanent dead link]
  16. ^ Anderson, Tim. "Cross-platform Windows Presentation Framework, anyone? The short answer: yes. Unpacking Avalonia". www.theregister.com. Retrieved 2023-12-22.
  17. ^ "Avalonia". Default. Retrieved 2025-01-08.
  18. ^ "Modify copyright in licence. · AvaloniaUI/Avalonia@26738fe". GitHub. Retrieved 2023-12-21.
  19. ^ "Farewell to the .NET Foundation". GitHub. Retrieved 2024-02-28.
  20. ^ "A Significant Sponsorship to Drive Our Open-Source Roadmap!". Default. Retrieved 2025-06-24.
  21. ^ "Avalonia for VSCode - Visual Studio Marketplace". marketplace.visualstudio.com. Retrieved 2023-12-22.
  22. ^ "Avalonia for Visual Studio 2019 - Visual Studio Marketplace". marketplace.visualstudio.com. Retrieved 2023-12-22.
  23. ^ "Avalonia for Visual Studio 2022 - Visual Studio Marketplace". marketplace.visualstudio.com. Retrieved 2023-12-22.
  24. ^ "AvaloniaRider - IntelliJ IDEs Plugin | Marketplace". JetBrains Marketplace. Retrieved 2023-12-22.

Further reading

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