SilverStripe
"SilverStripe is a free and open source content management system (CMS) for creating and maintaining websites. It provides an out of the box web-based administration panel that enables users to make modifications to parts of the website, which includes a WYSIWYG website editor. The core of the software is SilverStripe Framework, a PHP Web application framework."-Wikipedia
"SilverStripe is a free and open source content management system (CMS) for creating and maintaining websites. It provides an out of the box web-based administration panel that enables users to make modifications to parts of the website, which includes a WYSIWYG website editor. The core of the software is SilverStripe Framework, a PHP Web application framework."-Wikipedia