Top 12 Open-Source Alternatives to IUP Portable User Interface

The top open-source alternatives to IUP Portable User Interface are Qt, FLTK, and GTK. 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.

Qt Landing Page
1

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
FLTK Landing Page
2

FLTK

Fast Light Toolkit - Fast Light Toolkit (FLTK)
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 2 social mentions
GTK Landing Page
3

GTK

GTK+ is a multi-platform toolkit for creating graphical user interfaces.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #IDE 6 social mentions
wxWidgets Landing Page
4

wxWidgets

wxWidgets: Cross-Platform GUI Library
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 6 social mentions
wxPython Landing Page
5

wxPython

wxPython is a GUI toolkit for the Python programming language.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Development
Kivy Landing Page
6

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
Visual Studio Code Landing Page
7

Visual Studio Code

Build and debug modern web and cloud applications, by Microsoft
Pricing:
- Open Source
#Text Editors #IDE #Software Development 1011 social mentions
Electron Landing Page
8

Electron

Build cross platform desktop apps with web technologies
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 14 social mentions
Avalonia Landing Page
9

Avalonia

A multi-platform .NET UI framework
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 117 social mentions
JavaFX Landing Page
10

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
fox-toolkit.org
11

Fox toolkit

fox-toolkit.org
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 1 social mentions
PortAudio Landing Page
12

PortAudio

PortAudio is a cross platform, open-source, audio I/O library.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Game Engine 1 social mentions