Laravel - A PHP Framework For Web Artisans
CodeIgniter - A Fully Baked PHP Framework
Symfony - A PHP full-stack web framework
Yii Framework - Yii is a high-performance component-based PHP framework best for Web 2.0 development.
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
Agile Toolkit - Agile Toolkit is a PHP framework for developing Web User Interfaces.