The Qt for Python project aims to provide a complete port of the PySide module to Qt.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux

Avalonia UI is described as 'Avalonia is a WPF-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of platforms including: Windows, Linux (desktop & embedded), macOS, Android, iOS and Browser' and is an app. There are more than 25 alternatives to Avalonia UI for a variety of platforms, including Windows, Linux, Mac, BSD and Android apps. The best Avalonia UI alternative is Qt, which is both free and Open Source. Other great apps like Avalonia UI are Electron, Flutter, Qt Creator and Tauri.
The Qt for Python project aims to provide a complete port of the PySide module to Qt.

wxPython is a GUI toolkit for the Python programming language. It allows Python programmers to create programs with a robust, highly functional graphical user interface, simply and easily. It is implemented as a Python extension module (native code) that wraps the popular...
JUCE is a wide-ranging C++ class library for building rich cross-platform applications and plugins for all the major operating systems.

The Fast, Light Toolkit (FLTK, pronounced fulltick) is a cross-platform graphical user interface (GUI) library developed by Bill Spitzak and others. Made to accommodate 3D graphics programming, it has an interface to OpenGL, but it is also suitable for general GUI programming.


Nevron Open Vision for .NET is a suite of advanced UI components that helps you develop feature-rich Web (Blazor WebAssenbly) and Desktop (WinForms, WPF, Xamarin.Mac) applications from a single code base.




Nevron Open Vision for .NET is the most popular Web-based alternative to Avalonia UI.
Crazy Eddie's GUI (CEGUI) system is a graphical user interface C++ library. It was designed particularly for the needs of video games, but the library is usable for non-game tasks, such as applications and tools.



Agar is a modern open-source, cross-platform toolkit for graphical applications implemented in C, C++ and Ada (with bindings to other languages in development). Designed for ease of integration, it follows the philosophy of building the GUI around the application and not the...




gtkmm is the official C++ interface for the popular GUI library GTK+. Highlights include typesafe callbacks, and a comprehensive set of widgets that are easily extensible via inheritance. You can create user interfaces either in code or with the Glade User Interface designer...
Nana C++ Library takes aim at easy-to-use and portable library, it provides a GUI framework and threads for easy programming with modern C++ methods, such as traits, metaprogramming and other template technologies. .



PyGTK lets you to easily create programs with a graphical user interface using the Python programming language. The underlying GTK+ library provides all kind of visual elements and utilities for it and, if needed, you can develop full featured applications for the GNOME Desktop.
azula is a lightweight alternative to Electron. It is based on Ultralight, which is an embedding friendly Fork of WebKit, with less memory usage and low disk space requirements.
