Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
The 2009 Open Source CMS market share report was released a couple of weeks ago. The report concludes that WordPress, Joomla! and Drupal maintain a large lead on the rest of the pack, and that they are the dominant players in the market.
Despite the rather lengthy nature of the survey, more than 600 persons completed the question set. The demographic data gathered shows the survey group to be primarily composed of senior IT professionals working in smaller organizations of 1 to 5 people. More than 80% of the participants had heard about Joomla!, Wordpress and Drupal, though most of them were more familiar with Wordpress and Joomla!.