Here we discuss the three musketeers of Content Management System, CMS i.e. Drupal, WordPress and Joomla. These three musketeers have established themselves as the leaders for online CMS. All have their own specific features by which users can easily manage, secure and free to use. Choosing which one is better system is quite difficult due to their potential features in different perspective and user specific requirements. To be honest, they are all incredible systems, and can make creating a website quick and easy, no matter how little one knows about computers and technology. Even, better they are all open-source with means they are all FREE to use. In most cases, users once they have started with one, they won’t want to change. Here, we are comparing these systems so that you will be able to take decision which one will be beneficial