Silverstripe CMS - this is a module for Silverstripe Framework
Cerberus Content Management System
Cerberus Content Management System
The Free / Libre / Open Source Web App with the most built-in features
RhinOS, CMS, Content Management System, Josep Sanz Campderrós
Ampare Copy Protection is a simple jquery prevent newbies copy content
Contao Open Source CMS (fka TYPOlight)