N.B. For clarity, this is not my project and nothing to do with me!

I also accidentally started writing a scheme interpreter when I was writing a debugger for a vm for an IR language. I stopped before getting too far along though (I did some of the fun stuff including a tail recursive interpreter using musttail clang annotation but a full library is quite a bit of work). I plan to just use chibi-scheme instead when I get back to that project.

everyone and their dog has written a scheme