Content Management Sytems (CMS) are used to build complex websites with little or no programming knowledge. CMS's help to build websites very quickly as the components are pre built and all you need to do is add them and customize. CMS consits of Templates, Pluggings and Components which makes building web sites and applications easy and fun. Content management systems are now equipped with Control Panels and Dashboards for easy management. Content management systems can be extended to integrate with other systems as well.