CL-OpenID is a Google Summer of Code 2008 project that provides a portable implementation of the OpenID protocol for Common Lisp. It implements OpenID Authentication 2.0 standard and is compatible with OpenID Authentication 1.1. Both Relying Party (formerly called OpenID Consumer), and OpenID Provider are implemented.
Project source code is available on terms of GNU Lesser General Public License version 2.1 with Franz Inc.'s preamble, also known as LLGPL (Lisp Lesser General Public License), from darcs repository (browsable, too):
darcs get http://common-lisp.net/project/cl-openid/
Released (not often, may be outdated) tarball code is available at http://common-lisp.net/project/cl-openid/files/. Tarball version is also installable with ASDF-Install.
Documentation is available in README.html file.
Collaboration platform for bug tracking, measuring progress and sketching random stuff on Wiki is at CL-OpenID Trac. There are also mailing lists:
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