Download free open source search software dotCMs which is an enterprise-level open source Web Content Management System (wCMS) that is built using 100% J2EE Java. It includes the features typically expected in a complete CMS, including true separation of content and design as well as ease of editing. dotCMS utilizes Lucene to allow users to define search fields through the admin screen, enabling search tags without having to change a database or a configuration file. For more information check out:http://www.lucidimagination.com/Community/Marketplace/Application-Showcase-Wiki/dotCMS