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Oleg Dubovoi
Oleg Dubovoi

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.NET MAUI vs Avalonia: Which Cross-Platform Framework Should You Choose?

When building cross-platform apps, developers often face a choice between .NET MAUI and Avalonia. These frameworks offer distinct advantages, histories, and use cases. Here’s a deep dive into their stories and how to decide which one suits your project.


The Story Behind .NET MAUI and Avalonia

Let’s dive into their features, histories, and use cases to see how they stack up against each other.

The Birth of .NET MAUI

MAUI

.NET MAUI (Multi-platform App UI) traces its roots to Xamarin, founded in 2011. Xamarin aimed to simplify mobile app development, enabling developers to use C# to write apps for both iOS and Android. Microsoft acquired Xamarin in 2016, integrating it into the .NET ecosystem.

The release of .NET Core in 2016 unified the fragmented .NET landscape, culminating in .NET 5. This unification, along with Xamarin’s capabilities, led to the launch of .NET MAUI in 2020 as part of .NET 6. Its mission: provide a single-project solution for apps on Windows, macOS, iOS, and Android, deeply tied to Microsoft’s development tools and cloud services.

Avalonia’s Open-Source Roots

Avalonia

Launched in 2013, Avalonia is a community-driven, open-source UI framework inspired by WPF (Windows Presentation Foundation). It was designed to modernize desktop development while supporting Windows, macOS, Linux, and embedded platforms.

Avalonia emphasizes a lightweight and customizable approach, perfect for high-performance desktop applications. Its open governance model allows developers to tailor it to their needs, making it an excellent alternative to proprietary tools.


Feature Comparison

Feature .NET MAUI Avalonia
Target Platforms Mobile (iOS, Android), Desktop (Windows, macOS) Desktop (Windows, macOS, Linux), Embedded
UI Language XAML XAML-like syntax
Performance Optimized for native mobile apps Optimized for desktop and embedded systems
Open Source Partially (Microsoft-led) Fully open-source
Use Cases Consumer-facing mobile and desktop apps Enterprise desktop apps, embedded systems

Advantages and Disadvantages

.NET MAUI

Advantages:

  • Seamless integration with Visual Studio and the Microsoft ecosystem.
  • Mobile-first design with native controls for Android and iOS.
  • Simplified single-project architecture for cross-platform apps.

Disadvantages:

  • Limited support for Linux.
  • Relies heavily on Microsoft’s development roadmap.

Avalonia

Advantages:

  • Lightweight and efficient, suitable for older hardware.
  • Fully open-source with an active community.
  • Native Linux support and excellent for embedded systems.

Disadvantages:

  • Not optimized for mobile platforms.
  • Smaller ecosystem compared to .NET MAUI.

When to Choose What?

  • .NET MAUI: Perfect for apps targeting mobile platforms or when using Microsoft tools like Azure and Visual Studio.
  • Avalonia: Ideal for desktop-centric or Linux-based projects, or when you need complete control over the UI.

Fun Fact

Did you know the name "Avalonia" for the open-source UI framework actually traces its roots back to an early internal Microsoft project? Originally, Microsoft's WPF (Windows Presentation Foundation) was code-named "Avalon." When developers behind Avalonia chose their name, they were drawing on that legacy, while signaling a shift toward a more open and cross-platform framework. So, while WPF stayed tied to Windows, Avalonia aimed for broader horizons, bringing the legacy of Avalon to a whole new level of flexibility and accessibility


Conclusion

.NET MAUI and Avalonia are powerful frameworks, but they shine in different areas. Choose .NET MAUI for mobile-focused or Microsoft-integrated solutions, and opt for Avalonia when building desktop-first apps or projects requiring Linux and embedded system support.

Let’s discuss in the comments! 🚀

Top comments (2)

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Filip Cordas

Name comes from wpf that had codename Avalon

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Oleg Dubovoi

Which framework do you prefer for your next project?