Hi Patrick,

The free license works for only WCB and WCB has many further advances at this stage than WWB so I am sure you will like it more. As for the WWB modules such as Store, auctions, etc. All these will be added to WCB with the next update as we are "merging" the two platforms into one single mighty CMS. There is a post on the forums futher down detailing the news of this and the merge is not far from being released. 

Your not the only one who has gotten confused between WCB & WWB, this is one of the reasons why we have decided to merge the two systems into one. :)