Top 12 Open-Source Alternatives to Avalonia

The top open-source alternatives to Avalonia are Uno Platform, Qt, and wxWidgets. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Uno Platform Landing Page
1

Uno Platform

Build Mobile, Desktop and WebAssembly apps with C# and XAML.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 62 social mentions
Qt Landing Page
2

Qt

Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #GUI Frameworks
wxWidgets Landing Page
3

wxWidgets

wxWidgets: Cross-Platform GUI Library
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 6 social mentions
GTK Landing Page
4

GTK

GTK+ is a multi-platform toolkit for creating graphical user interfaces.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #IDE 6 social mentions
Flutter.dev Landing Page
5

Flutter.dev

Build beautiful native apps in record time 🚀
Pricing:
- Open Source
#Development Tools #Application Builder #Mobile App Development 340 social mentions
Electron Landing Page
6

Electron

Build cross platform desktop apps with web technologies
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 14 social mentions
FLTK Landing Page
7

FLTK

Fast Light Toolkit - Fast Light Toolkit (FLTK)
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 2 social mentions
JavaFX Landing Page
8

JavaFX

JavaFX is the next step in the evolution of Java as a rich client platform.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Java 34 social mentions
Kivy Landing Page
9

Kivy

Open source Python framework for rapid development of applications that make use of innovative user interfaces, such as multi-touch apps. Installation on WindowsInstallation on Windows. Installation; What are wheels .
Pricing:
- Open Source
#Developer Tools #Rapid Application Development #Python Tools 46 social mentions
fox-toolkit.org
10

Fox toolkit

fox-toolkit.org
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 1 social mentions
JUCE Landing Page
11

JUCE

JUCE is a wide-ranging C++ class library for building rich cross-platform applications and plugins...
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Game Engine 55 social mentions
React Native Landing Page
12

React Native

A framework for building native apps with React
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 213 social mentions