Kali
Kali Scheme, by Suresh Jagannathan, was an extension to Scheme48 that allowed to connect multiple machines into a distributed computing system with automatic migration of code.It is currently in progress of possible revival by r2q2. See http://community.schemewiki.org/cgi-bin/scheme.cgi?kali-scheme-revival and http://community.schemewiki.org/kali-scheme/.
See also Symmetric Lisp.
This page is linked from: Scheme Symmetric Lisp Virtual Machines