Drupal is the leading Content-Management System on the Web. It has an ever-increasing amount of free open-source modules and extensions, along with regular updates and security fixes. Drupal is a great platform to build any web-site on. I have had extensive Drupal experience and built numerous sites, modules and themes for both Drupal 5.x and 6.x. Drupal offers unparalleled security, usability, and stability.
Projects which involved this skill include: