Modular Gaming
Modular Gaming Open Source Persistent Browser Based Game Framework
... framework built using PHP5 by a team of volunteers that aims to be swift, secure, and small. We are using Kohana 3.3
You can view a demo at http://demo.modulargaming.com
If you have any questions, bugs or feature requests feel free to post them on the issue tracker at GitHub. https://www.github.com/modulargaming/modulargaming
Licensed under a BSD license. Modular Gaming can be used legally for any open source, commercial, or personal project.