IUP Portable User Interface Alternatives

    IUP Portable User Interface is described as '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 program source code to be compiled in different systems without any modification' and is an app in the Development category. There are nine alternatives to IUP Portable User Interface for a variety of platforms, including Linux, Windows, Mac, Android and BSD. The best alternative is Qt, which is both free and Open Source. Other great apps like IUP Portable User Interface are GTK+ (Free, Open Source), wxWidgets (Free, Open Source), Uno Platform (Free, Open Source) and FLTK (Free, Open Source).

    This page was last updated Apr 8, 2021

    1. 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 little or no change in the underlying codebase, while having the power and speed of native applications.
      show more
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Chrome OS
      GTK+ is a multi-platform toolkit for creating graphical user interfaces. Offering a complete set of widgets, GTK+ is suitable for projects ranging from small one-off tools to complete application suites.
      show more


      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      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 platforms including Windows Mobile, iPhone SDK and embedded GTK+.
      No screenshots yet
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Android
      • iPhone
      • Android Tablet
      • iPad
      Uno is the platform for building native mobile, desktop and WebAssembly apps with C#, XAML from single codebase. It's a Universal Windows Platform Bridge that allows UWP-based code (C# and XAML) to run on iOS, Android, and WebAssembly.
      show more
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      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.
      show more


      • FreeOpen Source
      • Linux
      • Android
      MauiKit is a framework based on QQC2 and Kirigami, that helps to create convergent applications that run on GNU Linux and Android, based on the Maui HIG. MauiKit is an open source framework to make the applications look good, made by...
      No screenshots yet
    2. CrossBrowdy is an open-source and free JavaScript framework that let developers create multimedia apps, game engines, games, emulators and so on.
      show more
      • FreeOpen Source
      • Windows
      • Linux
      • BSD
      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).
      show more
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      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).
      No screenshots yet
    Showing 9 of 9 alternatives