lolmvc, is meant to be a framework you can wrap your mind around. It's primary purpose is to facilitate learning MVC by doing, but could also make a nice base framework for a real app.
This project got it's start as a fork of PunyMVC, and really, this project is still just starting. There is no release as of yet. However, that will change soon.
Requirements: A web-server running PHP 5.4.X
MIT License, same as PunyMVC.