Acquia Drupal^* is a commercially supported distribution of Drupal, comprised of Drupal core, plus some contributed modules – all vetted by Acquia, a company co-founded by Drupal creator Dries Buytaert. The Acquia Drupal code is available for free under the same General Public License that governs the Drupal code. Acquia Drupal provides a solid foundation for subscription to the Acquia Network, which provides streamlined code updates functionality and other support. See http://pingv.com/services/acquia-drupal