ProcessWire

With ProcessWire you can connect all your content seamlessly and making content management fast, easy and fun. ProcessWire is a free and open-source content management system and framework released under the Mozilla Public License 2.0. The CMS is built around an API wit similar naming connventions to that of jQuery, which makes it easier to use for JavaScript developers. It also provides a secure foundation, proven scalability and the performance needed to manage content online sucessfully.