For something scheme like, my mind immediately goes to chibi-scheme. Larger than this for sure, but still statically linkable. If you're willing to dynamically

For something scheme like, my mind immediately goes to chibi-scheme. Larger than this for sure, but still statically linkable. If you're willing to dynamically link, guile seems like a good choice. Almost 30 years old at this point, and seems to be getting a bit of a revival with guix.