TextPattern is a content management system created by Dean Allen (http://www.textism.com). Written in PHP, it was designed to be used with all kinds of web sites, including weblogs. Built into Textpattern is Textile, a simple syntax for nudging plain text into structurally sound and stylistically rich web content. Textpattern has been released under the open sourceGNU General Public License as of version 1.0rc1.