The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device.

The Symfony PHP framework

Official Zend Framework repository

Laravel is a web application framework with expressive, elegant syntax. We’ve already laid the foundation for your next big idea — freeing you to create without sweating the small things.

Linux kernel source tree

CakePHP: The Rapid Development Framework for PHP - Official Repository

Fuel PHP Framework - Fuel v1.x Oil command-line package

Fuel PHP Framework v1.x is a simple, flexible, community driven PHP 5.3+ framework, based on the best ideas of other frameworks, with a fresh start! FuelPHP is now fully PHP 8.0 compatible.

Fuel PHP Framework - The core of the Fuel v1 framework