Offers a MVC compatible application working with PHP5. [Open source, LGPL]

The Simple Object Library and Application Repository (SOLAR) is a library-like framework organized in a fashion similar to PEAR and Horde, and is PHP5 E_STRICT compliant. [LGPL]

A modular patterns based framework for creating high performance web applications in PHP. [Open source, LGPL]

Ultra-rapid application development based on Ruby on Rails.

A library that allows the creation of HTML templates that are imported and used in PHP scripts to ease the process of web page design and includes caching capaibility. [Open Source, LGPL]

Port of Ruby on Rails development framework and designed to work for PHP4 and PHP5. The purpose of the framework is to support developers in building and managing multilingual database-backed web applications using the Model-View-Control pattern [Open...

Object oriented Web-application framework offering to build Ajax applications. [Open source, Apache licence]

Recess is a next-generation, full-stack PHP Framework that embraces REST, annotations, and strong object-oriented design for extreme productivity. [Open Source, MIT]

A web application framework aimed at creating scalable web apllications. Support MVC (Model-View-Controller)architecture, standartized forms processing, class and resource packaging, sessions and security.

An application framework for PHP which is designed with the MVC pattern like Jakarta struts. [Open source, GPL]