http://www.knowledgetree.com/ If you're looking for a no-cost (read as no license fee) option then Knowledge Tree Community Edition is a decent Document Management tool. We've been using it for a couple of years.

I guess I'm missing something, but how is this the most powerful all-electric when the Shelby Aero EV boasts a 1,000 HP? http://www.shelbysupercars.com/news-012209.php