Batflat - Lightweight, fast, easy, and free CMS.
VirtueMart - VirtueMart is an open source e-commerce solution designed as an extension of the Mambo or Joomla!
ImpressPages CMS - ImpressPages is a PHP framework with admin panel.
Thirty Bees - Open e-commerce platform designed to work out of the box.
Drupal - Drupal - the leading open-source CMS for ambitious digital experiences that reach your audience across multiple channels. Because we all have different needs, Drupal allows you to create a unique space in a world of cookie-cutter solutions.
OpenCart - A free shopping cart system. OpenCart is an open source PHP-based online e-commerce solution.s