'''Carnegie Mellon University Common Lisp''' or [http://www.cons.org/cmucl CMUCL] is a Common Lisp [http://en.wikipedia.org/wiki/Implementation#Computer_science implementation] developed at Carnegie Mellon University since the early 1980s.CMUCL Project History, http://www.cons.org/cmucl/credits.html CMUCL runs on a variety of platformsCMUCL Platforms, http://www.cons.org/cmucl/platforms.html and is made available under the FreeBSD license.file: src/general-info/COPYRIGHTS, http://trac.common-lisp.net/cmucl/browser/src/general-info/COPYRIGHTS