Kyoto Common Lisp (
KCL) is an implementation of
Common Lisp by Taichi Yuasa and Masami Hagiya, written in
C to run under
Unix-like operating systems. KCL is compiled to
ANSI C. It conforms to Common Lisp as described in the 1984 first edition of
Guy Steele's book
Common Lisp the Language and is available under a licence agreement.