DemConvention uses Redhat, SilverStripe, PHP,MySQL (Score 2, Interesting)

In addition to Silverlight, DemConvention.com uses Redhat: searchdns.netcraft.com/?position=limited&host=www.demconvention.com

And it runs on SilverStripe open source CMS/framework, which requires PHP, MySQL, Apache.... (Just do a view-source of the homepage, or check out silverstripe.com/powering-4-days-of-political-history-dnc-2008/)

Source of demconvention.com has: <meta name="generator" http-equiv="generator" content="SilverStripe 2.0 - http://www.silverstripe.com/" />