CMS (Content Management System) is a software program that helps the users’ to develop and maintain the Website easier and faster way. These days there are several CMS available varying based on functionalities and platforms. Joomla, Drupal and WordPress are the three most popular Content Management System (CMS). All three are open source and built on PHP+MySQL and vary significantly in terms of features, capability, flexibility and ease of use. This paper discusses about comparative study of most widely used content management systems Joomla, Drupal and WordPress. This paper attempt to analyze each CMS on the basis of usage, design, performance, scalability and compatibility with different platforms, security purpose and search engine visibility, this paper will help an individual or organization to choose an appropriate CMS for their specific Web application and shows the good CMS will be helpful for users to include different features in the Website.