Clojurize-sql is a project mainly written in Clojure, it's free.
Experimental Clojurize SQL Adapter
clojurize-sql is an experimental SQL adapter implementing the Clojurize protocol. The smith at anvil.io is hammering raw bits into shape as you read this. Learn about Clojurize here: http://anvil.io/2010/10/25/clojurize-the-data-not-the-database.html
Copyright (C) 2010 Christian Smith
Distributed under the Eclipse Public License, the same as Clojure.