LisPi on Nostr: Guile Scheme has implemented them, which means that through POSIX signals it has ...

Guile Scheme has implemented them, which means that through POSIX signals it has [preemptive green thread multithreading](https://doc.guix.gnu.org/fibers/latest/en/html_node/Design.html) (which is *also* balanced across multiple cores) implemented as part of [Fibers](https://codeberg.org/guile/fibers).