wCMF is a lightweight MDA approach to application development based on the MVC pattern. It allows to create any kind of PHP webapp, e.g. CRM, CMS from an UML model. It features an object persistence layer, a soap interface and standard views/controllers.
This website hosts code and downloads for versions prior to 4.0. For newer versions please visit https://github.com/iherwig/wcmf.
The next-generation PHP Framework Middleware + MVC
Smart.Framework - A High Performance PHP / Javascript Framework for Web Projects Clean Code Full Decoupled Libraries Independent Packages (based on plugins) Great Architecture (a hybrid between Multi-Tier and Middleware, combined with clean code separation as MVC).
So, it is a very light and fast PHP / Javascript web framework. The paradox is that it have more built-in features than the well-known frameworks like Zend Framework 2 or Symfony 2 but is 2x ... 9x faster in the terms of...
A full featured web application framework with an advanced object-relational mapper, extensive method hooking functionality, an advanced package management system (like those found on Linux), and MVC architecture. It emphasizes speed and flexible/extensible structures.
SilverStripe is a Web Framework and Content Management System. It differs from many of the better known CMSes in that it uses fully object oriented code, has native Ajax support, and allows you to very cleanly customize the system to suit your needs.
An Open Source Web Application Framework and CMS based on an Object Database, which can host multiple websites on a single installation, with easy setup, integrated caching and a "model/view/controller" templating system separating code from layout.