CentralNotice Steel Bank Common Lisp From Wikipedia, the free encyclopedia Jump to: navigation , search SBCL Original author(s) Forked by William Newman from CMUCL Developer(s) Various Initial release December 1999 (fork) Stable release 1.2.6 / November 29, 2014 ; 18 days ago ( 2014-11-29 ) [ 1 ] Operating system Linux , Solaris , FreeBSD , NetBSD , OpenBSD , Mac OS X , Microsoft Windows Platform Cross-platform Available in Common Lisp Type Compiler and runtime License Public Domain , with parts covered by the MIT License and BSD License (sans advertising clause) Website www.sbcl.org Steel Bank Common Lisp ( SBCL ) is a free Common Lisp implementation that features a high performance native compiler, Unicode support and threading . The name "Steel Bank Common Lisp" is a reference to Carnegie Mellon University Common Lisp fr...