About Clozure CL
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 compilation speed, native threads, a precise, generational, compacting garbage collector, and a convenient foreign-function interface.
Starting with version 1.11, Clozure CL is distributed under the terms of the Apache License, version 2.0.
Getting Clozure CL
Clozure CL is available for the following platforms:
- Mac OS X 10.6 and later (x86, x86-64)
- Linux (x86, x86-64, ppc32, ppc64, armv7l/armv6)
- FreeBSD (x86, x86-64)
- Solaris (x86, x86-64)
- Microsoft Windows XP and later (x86, x86-64)
See the download page to learn how to download and install Clozure CL.
Documentation
The documentation page has links to pre-formatted versions of the manaul.
The Clozure CL wiki often contains information that hasn't yet made it into the manual.
Documentation for CCL is written in a notation called CCLDoc. Please see http://trac.clozure.com/ccldoc/ for information about this format and for the source code of the manual.
Support
Mailing lists
The mailing list openmcl-devel@clozure.com is for general and technical discussion of Clozure CL. Note that you must be a subscriber in order to post.
IRC
Everyone interested in Clozure CL is welcome to participate in #ccl on irc.freenode.net. The channel logs are available. We also keep logs for #lisp and logs for #scheme.
Reporting bugs
To report a bug or request a feature, please open an issue on GitHub.
Paid support
Fee-based support for Clozure CL is available from Clozure Associates on a per-incident or contract basis. Please send mail to business@clozure.com for more information.