There are dozens of great Frameworks out there. Here we listed out some famous frameworks for your information.
Yii
URL : http://www.yiiframework.com
CodeIgniter

URL : http://ellislab.com/codeigniter
CakePHP

URL : http://cakephp.org
Zend

URL : http://www.zend.com
Symfony
URL : http://symfony.com
PHPDevShell

URL : http://www.phpdevshell.org
7 Prado
8 Akelos
9 ZooP
10 QPHP