Yes, Drupal and Joomla are probably the most used, tough after having used both, I must say that Drupal is as hard to learn as it is powerful. If you don't want

Yes, Drupal and Joomla are probably the most used, tough after having used both, I must say that Drupal is as hard to learn as it is powerful. If you don't want to spend a lot of time on tweaking up your site, and don't mind if things aren't perfectly like you want, you may probably be better with Joomla, or even Wordpress and a couple of static pages.