Armed Bear Common Lisp

Armed Bear Common Lisp (ABCL) is a full implementation of the Common Lisp language featuring both an interpreter and a compiler, running in the JVM. Originally started...

Free Open Source Mac OS X Windows Linux

CMU Common Lisp

CMUCL is a free, high performance implementation of the Common Lisp programming language which runs on most major Unix platforms. It mainly conforms to the ANSI Common...

Free Open Source Mac OS X Linux

ManKai Common Lisp

ManKai Common Lisp (MKCL) aims to be a full implementation of the Common Lisp language in compliance with the ANSI X3J13 Common Lisp standard. It is free software...

Free Open Source Windows Linux

Clozure Common Lisp

Clozure CL (often called CCL for short) is a free Common Lisp implementation with a long history. Some distinguishing features of the implementation include fast...

Free Open Source Mac OS X Windows Linux BSD

GNU Common Lisp

GCL is the official Common Lisp for the GNU project. Its design makes use of the system's C compiler to compile to native object code, providing for both good...

Free Open Source Windows Linux BSD

LispWorks

LispWorks is a commercial implementation and IDE for the Common Lisp programming language. The Personal Edition is intended for personal and educational Lisp...

Free Personal Mac OS X Windows Linux BSD

newLisp

newLISP is a LISP-like scripting language for doing things you typically do with scripting languages: programming for the internet, system administration, text...

Free Open Source Mac OS X Windows Linux BSD Solaris