Wordpress, Sitecore, Joomla
CMS - Content Management Empowers Clients/Users
Some of the top CMS like Wordpress, Drupal, Stirecore and Magneto for Ecommerce requires the storage of data. This makes it easy to organize and manage things like Products, Blogs, Photo Galleries and creating/removing thing like pages or the content from them. The most popular of the CMS are developed by Open Source communities.