[lmm]

Some of these are halfway familiar. Hyper sounds like a more ad-hoc version of something from recursion-schemes, and * as presented is somewhat similar to Scala _ (which I love for lambdas and think every language should adopt something similar).

[klibertp]

I think this is the closest equivalent for hyper: https://groovy-lang.org/operators.html#_spread_operator

[hexane360]

It's also quite similar to Thread and MapThread in Mathematica