Drupal has won best open source PHP Content Management System for the second year in a row in the Packt Publishing 2009 Open Source CMS Awards. Drupal won by popular vote and a critical selection by a panel of judges. This award reflects the strong support of the Drupal community and our focus on quality which leads to critical acclaim and rapid adoption for large, high quality projects. Drupal won best overall open source CMS in 2007 and 2008.
From the award announcement,
We are pleased to announce that Drupal has won the Best Open Source PHP CMS Category in the 2009 Open Source CMS Award. This category featured a very close contest between the top three, Drupal, WordPress, and Joomla! in which Drupal ended up as the overall choice for the judges and the public.