An application framework and content management system written in PHP 4. [Freeware and commercial versions]

A framework for PHP web applications that implements the MVC design pattern. Also include SleeK Action Wizard tool.[Open source, LGPL]

A object-oriented and modular designed framework for developing web applications. psx separate strictly code from design with a template-engine based on XML and XSLT.

A web application framework for PHP Developers that includes a framework for code modules and layout templates, database connectivity, SmartForms, sessions, and other tools. [Open source, Q Public License]

A MVC (Model-view-controller) CMF with tree/OO based controller. [Open source, LGPL]

A set of PHP classes and library functions to help facilitate building, debugging, and rendering of XML, HTML, XHTML, WAP/WML Documents, and SVG (Scalable Vector Graphics) images as well as complex HTML 'widgets'. [Open source, LGPL]

Provides a general object oriented framework to build applications. [BSD License]

Yet Another Web Programming foundation for PHP applications.

Open–source web application framework based on MVC architecture, object–oriented PHP 5, MySQL, and XSLT. [LGPL]

An Object Oriented Framework for PHP, Zoop Framework caters to the programmer and includes ajax and validation. Zoop also features a PHP implementation of .NET controls called GUIControls [Zope Public License, GPL compatible].