Grav : Grav is a modern open source flat-file CMS written in PHP
drupal.org : Drupal is an open source content management platform powering millions of websites and applications. It’s built, used, and supported by an active and ...
Twill : Twill is an open source Laravel package that helps developers rapidly create a custom CMS that is beautiful, powerful, and flexible. By standardizing ...
GetSimple is an XML based, stand-a-alone, fully independant and lite Content Management System.