wxGlade is a GUI designer written in Python with the popular GUI toolkit wxPython, that helps you create wxWidgets/wxPython user interfaces. At the moment it can generate Python, C++, Perl, Lisp and XRC (wxWidgets' XML resources) code.
wxWidgets is an excellent framework that enables the creation of multi-platform applications with and without a graphical user interface. There are several applications that help create dialogs visually, even so, some practical problems have led me to start the development of a...
CocoaDialog is an OS X application that allows the use of common GUI controls such as file selectors, text input, progress bars, yes/no confirmations and more with a command-line application. It requires no knowledge of Cocoa, and is ideal for use in shell and Perl scripts (or...
CocoaDialog vs Zenity opinions
It provides most of the same features of Zenity for Mac users
Anthemion DialogBlocks is a sizer-based resource editor that quickly gets you creating professional-looking dialogs, wizards and frames for deployment on Windows, Linux, Mac or any other supported wxWidgets platform.
My problem was that the KDialog code is still not ported to Qt5 and it depends on various Qt4/KDE4 components. The kdialog has big dependency sizes so we made an alternate dialogs like kdialog switches, options.This app doesn't have any features at the moment.