Rapid API development framework for PHP.
PHP Rapid Application Development Framework
Tony Marston's Rapid Application Development using PHP and MySQL/Postgres/Oracle/MSSQL
Everest PHP is a rapid development PHP MVC framework. It encompasses the MVC with partials and view components. It has in-built Database Helpers that help you develop apps in PHP rapidly.
xFramework is a REST oriented, leightweight and minimalistic PHP framework for rapid application development.
A collection of classes to be extended/used in laravel apps for quick development
FOF (Framework on Framework) is a Rapid Application Development framework for Joomla!
CakePHP: The Rapid Development Framework for PHP - Official Repository