Shows how to use wxWidgets controls only by programming code (c++17).

Shows how to use Qt widgets only by programming code (c++17).

Shows how to use Win32 controls by programming code (c++17).

Shows how to use Fltk controls only by programming code (c++17).

Shows how to use Gtkmm controls by programming code (c++17).

textbox with line numbers in Win32/C++

Lightweight C++ library of GUI widgets and form components

A simple GUI application that reverse the input text and show the reversed text on the screen.