One of the coolest things about CMS Expo 2011 was the opportunity to see five open source CMS "founders" together in one room. On the conference stage were Dries Buytaert (Drupal), Andrew Eddie (Joomla), Sigurd Magnusson (SilverStripe), Shaun Walker (DotNetNuke), and Per Ploug-Hansen (Umbraco).

Most people in the content management world will acknowledge that seeing these five guys together in the same room is a rare event. What you may not know is that for many of these open source leaders this event was the first time they have ever met one another.