There are still Apps out there that are derivatives of the HyperCard family.

LiveCode is based upon Metacard and was the subject of another Hacker News Thread:

https://news.ycombinator.com/item?id=24874102

There is also SuoerCard:

https://supercard.us/index.html

Which unfortunately is 32 bit only so only works on older variants of modern day OSX.