Phalcon PHP is a web framework delivered as a C extension providing high performance and lower resource consumption. Phalcon PHP is written in C with platform independence in mind. As a result, Phalcon PHP is available on Microsoft Windows, GNU/Linux, Mac OS X, You can either download a binary package for the system of your choice or build it from sources.
You don’t need learn or use the C language, since the functionality is exposed as PHP classes ready for you to use. Phalcon also is loosely coupled, allowing you to use its objects as glue components based on the needs of your application. Phalcon is not only about performance, it is pretty robust, rich in features and easy to use. Phalcon is open-sourced software licensed under the New BSD License.
Requirements: PHP 5.x and GCC compiler
License: New BSD License