Alternatives to GTK+ for all platforms with any 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...

Free Open Source Mac Windows Linux BSD
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- GTK + and QT are the two major players that dominate the Desktop Environment on GNU / Linux today. Se7enTime • May 2016 • 2 agrees and 0 disagrees
JavaFX

JavaFX is the next step in the evolution of Java as a rich client platform. It is designed to provide a lightweight, hardware-accelerated Java UI platform for enterprise...

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9 Like
PyQt

PyQt is a set of Python bindings for Nokia's Qt application framework and runs on all platforms supported by Qt including Windows, MacOS/X and Linux. There are two...

Free Open Source Mac OS X Windows Linux
Modules Scripting Add a feature

15 Like
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...

Free Open Source Mac OS X Windows Linux
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15 Like
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 OS X Windows Linux
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7 Like
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...

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10 Like
TK

Tk is a free and open-source, cross-platform widget toolkit that provides a library of basic elements of GUI widgets for building a graphical user interface (GUI) in...

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4 Like
JUCE

JUCE is a wide-ranging C++ class library for building rich cross-platform applications and plugins for all the major operating systems.

Free Personal Mac OS X Windows Linux
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3 Like
Standard Widget Toolkit

SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is...

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2 Like
Nana C++ Library

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...

Free Open Source Windows Linux
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5 Like
IUP Portable User Interface

IUP is a multi-platform toolkit for building graphical user interfaces. It offers a simple API in three basic languages: C, Lua and LED. IUP's purpose is to allow a...

Free Open Source Mac OS X Windows Linux
Portable Add a feature

1 Like
Agar

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...

Free Open Source Windows Linux BSD
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2 Like
gtkmm

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...

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2 Like
wxSVG

wxSVG is C++ library to create, manipulate and render SVG files.

Free Open Source Mac OS X Windows Linux
SVG Support Add a feature

3 Like
Fox toolkit

The FOX toolkit is an open source, cross-platform widget toolkit, that is, a library of basic elements for building a graphical user interface (GUI). It features a...

Free Open Source Mac OS X Windows Linux
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0 Like