Org Charts in Salesforce.com

I came across a blog post for a nifty little free AppExchange add-on from CogMap, a visual wiki that lets people map out orgcharts of any organization, for all to see. It’s nicely called the Salesforce.com CogMap Application and is in alpha, so please try it to give your feedback. It’s supposed to look at your Accounts and Contacts and be able to fashion a visual hierarchy based on what you’ve input. The folks at DreamFactory have something similar in their OrgView product (also free). Any input about either? Let me know. (It’s on my very long list of apps to try.)