Silex : The PHP micro-framework based on Symfony2 Components
Flow : Flow is a PHP web application framework focussed on Domain-Driven Design and clean code.
Phalcon PHP : Phalcon is a web framework implemented as a C extension offering high performance and lower resource consumption.
Ponzu : Ponzu is a powerful and efficient open-source HTTP server framework and CMS. It provides automatic, free, and secure HTTP/2 over TLS (certificates obt...
Symfony is a set of reusable PHP components and a PHP framework for web projects.