See http://www.radeox.org Radeox RE is a Java-based Wiki rendering engine implementation * Radeox is a wiki markup to XHTML renderer and intended to be easy to extend. * Radeox is a standalone project under the LGPL and can be used in other applications (CMS, Wikis, BugTrackers, ...). The goal is to develop a feature rich, easy to maintain wiki library with a low bug count so writing your own Wiki implementation is a breeze.