LiveCode is still a thing! They just released version 10 a bit ago. If you need to build standard-ish interface apps -- text, images, sliders, radio buttons, checkboxes, menus, etc. -- nothing (I've seen) compares for speed-of-delivery.
I use LC nearly every day, but I drool over Python's math libraries and syntax amenities.
I use LC nearly every day, but I drool over Python's math libraries and syntax amenities.