PseudoScheme
PseudoScheme is an implementation of the Scheme (R4RS) programming language in Common Lisp.

License: ?

Homepage: http://mumble.net/~jar/pseudoscheme/

Older versions available at the CMU AI repository: http://www.cs.cmu.edu/afs/cs/project/ai-repository/ai/lang/scheme/impl/pseudo/0.html