Get Started
with Avalonia

Get Started
with Avalonia

Free & open source UI framework for stunning, performant
cross-platform apps with .NET

Free & open source UI framework for stunning, performant
cross-platform apps with .NET

Get Priority Support

Enhanced Support gives you direct access to our expert engineers, priority resolution of your most critical issues, and tailored technical guidance.

This means faster troubleshooting, optimised app performance, and the reassurance that you’re never alone facing complex UI challenges. You focus on innovating, our experts handle the rest.

All New Dev Tools

Say goodbye to guesswork.


Avalonia Dev Tools gives you an immediate window into your running Avalonia app, inspect, edit, and refine your UI live, just like you always wished you could.

Essential Extensions

Follow these steps to configure your development environment for building applications with Avalonia

JetBrains Rider

Visual Studio 2022

Visual Studio Code

.NET CLI

The best experience

The best cross-platform developer experience

JetBrains Rider has built-in support for Avalonia XAML starting in 2020.3, including first-class support for Avalonia-specific XAML features and custom code inspections.

There also exists an extension that enables live previewing of Avalonia XAML files.

Code Completion

Code Analysis

Code Navigiation

XAML Previewer

Join the community

Get involved with our vibrant community of developers.