Southern writes:  

RavenNuke ™ is a content management system platform for publishing content on the World Wide Web and intranets. The system includes features such as page caching to improve performance, RSS feeds, printable versions of pages, news flashes, blogs, polls, website searching, and language internationalization.

It is written in the PHP programming language and uses the MySQL database system to store information. RavenNuke ™ is the result of a fork of PHP-Nuke. Released under the terms of the GNU General Public License, RavenNuke ™ is free software.

more: Wikipedia: RavenNuke ™