Avalonia UI

@avaloniaui.net

Develop desktop, mobile, embedded, and WebAssembly apps with C# & XAML from a single codebase. https://avaloniaui.net

Today marks 35 years since Estonia restored its independence. In those 35 years, Estonia has built an extraordinary global reputation for technology and digital innovation. We’re incredibly proud that Avalonia is an Estonian company! 🇪🇪

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Parcel 1.1.0 is available to download. - Added MSIX & PKG packaging support. - Added File Associations and URL Schemes support for all target platforms. - Added an "Exclude files" setting to remove files and directories from the published output before packaging. avaloniaui.net/parcel

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We're having one of our regular hack weeks. It's a chance for the team to pause the roadmap and spend the week working on their wildest, craziest ideas. Day one is a wrap and we've already got some rather interesting things!

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Avalonia XPF turns 4 today. 4 years ago, we committed the very first lines of code that would make WPF cross-platform. Since then, countless organisations have used XPF to modernise existing applications, reach new platforms, and extend the life of their WPF apps. avaloniaui.net/xpf

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Lots of WPF modernisation projects go wrong before the first line of code is written. The mistake is treating it as a framework decision. It's really a business decision about risk, roadmap, hiring, platforms and the next decade of your product. avaloniaui.net/blog/wpf-mo...

WPF Modernization in 2026 - Avalonia UI Blog

A practical guide to WPF modernization in 2026: stay on WPF, port with Avalonia XPF, rewrite with Avalonia, or compare MAUI, Uno, WinUI, Blazor and Electron.

avaloniaui.net