How to make beautiful text in the terminal?

Question

bash

Hello.
Is there any service for generating such text?

And immediately the second question, how are such windows created in the terminal that respond to the mouse?

Answer 1

www.network-science.de/ascii-ncurses
_

Answer 2

that inscription was most likely made with the help of figlet , something like this:
you can see different examples here: figlet

Answer 3

And immediately the second question, how are such windows created in the terminal that respond to the mouse?

There are programs that implement windows for use in scripts.
For the console, the dialog package.
For GUI - kdialog, xdialog, gtkdialog, yad packages.