All hyped up for Hypercard: further adventures with an Apple legacy format 5 years ago
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.