AModules3

"AModules3 is a flexible framework for developing applications using Object Oriented Programming. It's like "Rails" for PHP. It utilizes new features only found in PHP5 and shapes your application into a very efficient code. The following features are also included:

* Template and Skin support through SMlite
* Flexible and modular API system (also implements ModelViewController model)
* Multiple APIs - you can develop command line applications with amodules3
* PHP5+ (using exceptions and other new features)
* Seamless AJAX support"

http://adevel.com/amodules3/