Laminas Project - Laminas Project, the enterprise-ready PHP Framework and components. A community-supported, open source continuation of Zend Framework.
Laravel - A PHP Framework For Web Artisans
Slim Framework - Slim is a PHP micro framework that helps you quickly write simple yet powerful web applications and APIs.
CodeIgniter - A Fully Baked PHP Framework
Phalcon - Web framework delivered as a C-extension for PHP
CakePHP - The Rapid Development Framework for PHP