Materialize CSS Framework for Laravel 5
Expose Framework Library for Joomla 2.5 and 3.x
WordPress friendly Front-End framework.
Laravel 5.5 Starter project with Bootstrap 4 CSS framework and useful laravel packages needed for most apps.
RTLCSS-PHP is a framework for converting LTR CSS to RTL.
A PHP + CSS framework to kickstart the development of a simple website
A CSS boilerplate that uses the Scaffold CSS Pre-processor.
Lightweight MVC theming framework for developers who want to better organize their own custom themes with an MVC approach.
A PHP Implementation of KSS: a methodology for documenting CSS and generating styleguides