Drupal is a popular content management system (CMSA content management system (CMS) is an online application that will allow anyone (with minimal training) to add, edit and manage content (such as text and images) on a website. The other main benefit of a CMS such as Drupal is that it provides a framework of existing code for web developers, reducing the time and cost of building feature-rich websites.) and framework for building websites. It's the most powerful and flexible of the open sourceOpen source is cooperative method of developing and distributing software. The software is free to use by anyone, and the source code is freely available for any developer to work on. Why give it away for free? Well, collectively, these developers can build sophisticated software, such as Firefox, Apache, Drupal and Linux that can be genuinely competitive with commercial software backed by multinationals. Individually, each developer can use the software to greatly enhance their business. CMS platforms and, due to its popularity, offers many third-party "modules" (extentions) that add extra features such as e-commerce, email newsletters, social networking integration and much more. Drupal is used on thousands of websites by Sony Music, Yahoo, Virgin, Nokia, Symantec and many other businesses and organisations, both large and small.