hibuilder

Website: www.hibuilder.com
Free for commercial use
This software is created and maintained by m2z ltd

This is a content management system that provides an infrastructure to support collaboration between the parties involved in your website. It also automates the more mundane aspects of the back-end system, freeing up the designer to concentrate on designing the elements that will make your website unique.

This has not yet been released under on open source license. The next release is scheduled for the end of the year and will be released under the GNU General Public License.