Earlier quoted context omitted.
PostScript is great for user interfaces! I've written lots and lots of user interfaces in PostScript. Just not Display PostScript. NeWS was a lot better for making interactive user interfaces than Display PostScript, and it came out a lot earlier. https://en.wikipedia.org/wiki/NeWS The Story of Sun Microsystems PizzaTool (entirely written in PostScript): https://donhopkins.medium.com/the-story-of-sun-microsystems-...…
People you should be paying careful attention to this. You could be living 40 years in the future. Instead, we're were we are and rapidly ossifying.
Apple killed off HyperCard, Runtime Revolution became LiveCode which when opensource, then closed source and now is only available for monthly license fees.
PythonCard never got to 1.0 and hasn't been updated in almost two decades...
I'm currently doing all my development in:
(Python-enabled version of OpenSCAD) but the only user-facing options are the Customizer which is quite limited, and a repository of files which users can access --- unfortunately, trying to bring up a canvas or UI window crashes the app.