Alternatives to GTK+ for all platforms with Free License

  • Qt

    Qt is a cross-platform application framework that is widely used for developing application software that can be run on various software and hardware platforms with...

    • GTK + and QT are the two major players that dominate the Desktop Environment on GNU / Linux today. Se7enTimeMay 2016 • 2 agrees and 0 disagrees Disagree   Agree

    Freemium Open Source Mac Windows Linux BSD

    Qt icon
  • wxWidgets

    wxWidgets is a C++ library that lets developers create applications for Windows, OS X, Linux and UNIX on 32-bit and 64-bit architectures as well as several mobile...

    • full features, nice architecture Guest • Apr 2019 Disagree   Agree

    Free Open Source Mac Windows Linux

    wxWidgets icon
  • PySide

    The PySide project provides LGPL-licensed Python bindings for the Qt cross-platform application and UI framework. PySide Qt bindings allow both free open source and...

    Free Open Source Mac Windows Linux

    PySide icon
  • JavaFX

    OpenJFX is an open source, next generation client application platform for desktop, mobile and embedded systems built on Java. It is a collaborative effort by many...

    Free Open Source Mac Windows Linux

    JavaFX icon
  • FLTK

    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...

    Free Open Source Mac Windows Linux

    FLTK icon
  • wxPython

    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...

    Free Open Source Mac Windows Linux

    wxPython icon
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  • Avalonia

    Avalonia is a WPF-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of OSs: Windows (.NET Framework, .NET...

    Free Open Source Mac Windows Linux Microsoft Visual Studio

    Avalonia icon

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