There's Cyclone Scheme, though I don't know how good its GC is in practice: https://justinethier.github.io/cyclone/ https://justinethier.github.io/cyclone/ Als

There's Cyclone Scheme, though I don't know how good its GC is in practice: https://justinethier.github.io/cyclone/ https://justinethier.github.io/cyclone/ Also I would expect a programming language used by enterprise to do fewer experiments with the GC than a language worked on in academia.