The only significant thing i can find so far is https://github.com/carp-lang/Carp.
Anything notable that i might have missed ?
https://groups.scheme.org/prescheme/
It's old, and it seems like no one had written anything related to it in 20 years until in 2022. Now, there seems to be a port of PreScheme from Scheme48 to Guile Scheme at the moment.
> Automatic and deterministic memory management (no garbage collector or VM)
Does this mean "reference counting"?