Explore projects

CMUCL is a high-performance, free Common Lisp implementation which runs on most major Unix platforms.

Web pages for cmucl, separate from the cmucl wiki. See https://cmucl.common-lisp.dev/

A Common Lisp library implementing R ideas.

An example of implementation of the "Common Lisp Language Independent Arithmetic" standard.

CDR - Common Lisp Document Repository (site repo)

A simple library that contains an extension to Common Lisp that allows programmer to nicely reuse some common "definition" idioms.

The project page can be found at http://common-lisp.net/project/definer.

An updated version of the first widely available (and quite portable) DEFSYSTEM for Common Lisp

A layer of generic functions redefining the standard Common Lisp operators as generic functions.

Site (generated with HELambdaP) for the WITH-CONTEXTS library.

Never call me a (code) monkey!

This library contains an implementation of a WITH macro with "contexts" inspired by Python, which, in turn was obviously inspired by Common Lisp macros (and other earlier languages, like Pascal).

NEW-OP is a small library that introduces a new unified "constructor" operator; called "new".

The project page is at http://common-lisp.net/project/new-op

The CL-ENUMERATIONS project contains a Common Lisp Java-like enumeration/iteration library and protocol. Most basic Common Lisp types are handled.

The project page can be found at http://common-lisp.net/project/cl-enumeration.

The Common Lisp Application Data project is a simple library providing a common API to "standard" locations on the file system for Common Lisp applications.

CLAZY: Lazy Calling in Common Lisp

A library that seamlessly adds lazy evaluation to common lisp.

The complete description of the library can be found at http://common-lisp.net/project/clazy

The package is a full-blown library to "unify" arbitrary CL objects while constructing bindings for placeholders (unification variables) in a "template" sublanguage.

The project page is at http://common-lisp.net/project/cl-unification

(X)HTMΛ is yet another (X)HTML library which emphasizes programmability and user-friendliness.

The project page is at http://common-lisp.net/project/xhtmlambda