Quicklisp beta

Quicklisp is a library
manager for Common Lisp. It works with your existing Common Lisp
implementation to download, install, and load any
of over 700 libraries with a few simple
commands.

Quicklisp is easy to install and works with ABCL, Allegro CL,
Clozure CL, CLISP, CMUCL, ECL, LispWorks, SBCL, and Scieneer CL, on
Linux, Mac OS X, and
Windows. The libraries were last updated
on May 20, 2012.