Wikipedia: Byte-code Substantial definition with many links to related topics. [Open Content, GNU FDL] http://en.wikipedia.org/wiki/bytecode

FOLDOC: Byte-code Definition with links to related topics. [Open Content] http://wombat.doc.ic.ac.uk/foldoc/foldoc.cgi?byte-code

Parrot - parrotcode An open source/Free software virtual machine built with dynamic languages in mind. http://www.parrotcode.org/

CATHOL An acronym for Comfortably Apocalyptic, Totally Humanity-Oriented Language. It is imperative, procedural, not object-oriented, strongly typed, interpreted programming language. http://www.sanctacaris.net/cathol/