How to make a beautiful custom GUI?

Question

Java

Good day, tell me how to make software with custom design as in the images below:

Examples

More details if possible =)

Answer 1

JavaFX

Answer 2

Blizzes have exactly Qt, to be more precise, Qt Quick . For the rest, I don't know.

Answer 3

Now, unfortunately, the fashion has gone to make applications with a built-in browser, which is responsible for rendering a beautiful UI using plain HTML, CSS and JS. For Windows, a beautiful GUI is easily made on WPF (it is also possible on WinForm, but it is more difficult there, there are nuances and some system limitations).