Drupal is a free, functional and open source modular framework and content management system (CMS) written in PHP. Now a startup company will release the first commercially supported distribution of Drupal, in the second half of this year. Acquia company cofounded by Dries Buytaert, Drupal creator and project leader project leader, will sell annual subscriptions for Drupal software and services:
Our software products will include Drupal core, plus various contributed modules, and, potentially, non-Drupal software, assembled into packaged distributions. Our first planned distribution is code named “Carbon”, more information is available in the Projects section of our site.