Loko

Loko Scheme is an optimizing Scheme compiler. The homepage lists the following features:

  • Batteries on the side (Akku.scm).
  • Cross-compiles to Linux/amd64, NetBSD/amd64 and bare metal amd64.
  • Speaks R6RS Scheme natively and R7RS Scheme as a second language.
  • Concurrency based on Concurrent ML.
  • Compiled code with reasonable performance.

https://scheme.fail/