Puzzle Apps CMS is a web site content management tool. It is more the CMS, it is development platform for web applications. His smart database structure gives him ability to take any kind of information. The flexibility of XSLT used for template engine is amazing! You can do anything you need! Puzzle Apps CMS & AS is a LGPL'd software written with PHP4/5. Currently this CMS supports MySql, SQLite, PostgreSQL, MSSQL. Note that you can run many websites and using only one database. You can find modules for image gallery, form2mail, caching, keywords replace, metatags, shop is comming soon and many others.