Parrot Virtual Machine
http://www.parrotcode.org/

Parrot is a virtual machine designed to efficiently compile and execute bytecode for dynamic languages. Parrot currently hosts a variety of language implementations in various stages of completion, including Tcl, Javascript, Ruby, Lua, Scheme, PHP, Python, Perl 6, APL, and a .NET bytecode translator. This has been added to Script Resources Subject Tracer™ Information Blog.