I haven't used it, but someone has implemented the actor model of programming for Ruby. The project is called Revactor. The main website appears to be down,

I haven't used it, but someone has implemented the actor model of programming for Ruby. The project is called Revactor. The main website appears to be down, but I found some docs here: http://doc.revactor.org/files/README.html http://doc.revactor.org/files/README.html