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Welcome to the amazing world of Common Lisp, the programmable programming language.

This site is one among many gateways to Common Lisp. Its goal is to provide the Common Lisp community with development resources and to work as a starting point for new programmers.

Latest Lisp news

Latest news

2018-10-12 Intent to remove unused projects

As per the announcement, the site admins plan to remove the following list of projects which have been determined to neither have a project page nor a code repository. Please contact the site admins before October 26, 2018 to cancel project cleanup in case your project is wrongfully listed.


Today I found some time to enable GitLab's 'reply by e-mail' functionality.


A new version of has been launched!


As per the announcement in August, the list of users with O/S level access has been cleaned up: those accounts which haven't been accessed since 2013 (and for which the owner didn't object to removal), have been removed. Home directories will be destructed to comply with GDPR regulations.


The Darcs (a distributed version control system before Git) repositories listed in our darcsweb instance have been converted to our GitLab instance. All use of Darcs on our site has been marked deprecated for a long time and we're happy to have found a way forward, keeping the repository content available to more modern VCSes.


What is Common Lisp?

Common Lisp is the modern, multi-paradigm, high-performance, compiled, ANSI-standardized, most prominent (along with Scheme) descendant of the long-running family of Lisp programming languages.

Common Lisp is known for being extremely flexible, having excellent support for object oriented programming, and fast prototyping capabilities. It also sports an extremely powerful macro system that allows you to tailor the language to your application, and a flexible run-time environment that allows modification and debugging of running applications (excellent for server-side development and long-running critical software). It is a multi-paradigm programming language that allows you to to choose the approach and paradigm according to your application domain.

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