What is Drupal?

Drupal is a modular free and open source content management system, sometimes also described as content management framework, written in PHP and distributed under the GNU General Public License. So far so good! What “Drupal” really stands for is a rapidly growing system, in terms of popularity, usage and community support, that is turning into one of the trendiest ways to DO THE WEB.

At least that is the reason why we use Drupal, and the fact that the number of contributed modules, that alter and extend Drupal's
capabilities, adding new features and customizing the behaviour and
appearance of your web-site grows even faster.

As of July 2010, hundreds of well-known organizations use Drupal, including companies, non-profits, schools, and individuals. No one knows exactly how many websites currently use Drupal, but it has been estimated to be about 7.2 million as of the summer of 2010, with Nike, Universal Music, BBC, Warner Bros, NATO, Yahoo and Adobe being just a few to mention.