Joomla is a content management system (CMS) written in PHP and JavaScript, using MySQL and MsSQL databases as storage. It is free software distributed under the GNU/GPL license.
What is MODX?
MODX offers you a system that allows you to publish your offline content to the web in any form, shape, or presence you desire.
OpenCart – platform overview
Its capabilities are enough to develop almost any e-commerce site: from small e-commerce sites to storefronts with thousands of items and hundreds of product categories.
Review of the Most Popular CMS
What is WordPress? Today, it is the most popular Content Management System in the world. This CMS underpins more than 35% of all websites on the internet, and this number is constantly growing.