Start building with Avalonia

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

Clone the repo

Clone the repo

Get Accelerate

Installation

A short guide to setting up your development environment.


Our blog

Keep up to date with the latest Avalonia news.


Samples

Discover our sample applications to kick start your development.


Tutorials

Learn how to build with Avalonia from our tutorials.


Documentation

Deep dive into the docs and become an expert.


Videos

Discover our favourite Avalonia content on YouTube.


Join the community

Engage with our vibrant community of developers.


Awesome Avalonia

A curated list of awesome Avalonia libraries and resources.


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.

Ready to build without limits?

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.

Learn More

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

Download Extension

Join the community

Get involved with our vibrant community of developers.