NOTE: If you are looking for something that is complete, likely to be maintained, and is written by someone who actually knows what they're doing, you probably should look at https://github.com/cemerick/friend
clj-openid - Clojure OpenID library, based on openid4java.
Work in progress, only a subset of features have been wrapped. I know very little about OpenID so if you have some expertise and would like to help out please get in touch.
Copyright (C) 2011 Steve Lindsay
Distributed under the Eclipse Public License, the same as Clojure.