Smiteworks, the makers of Fantasy Grounds, are running a special promotion on Steam and are giving away 5 copies of either the base product or DLC to winners. The requirement is that they need to get at least 500 members in their Steam curation group Fantasy Grounds RPG and Gaming Recommendations by Friday 16 January, 2015. If 500 people aren’t reached, then there will only be one winner. To unlock this and to enter for a chance to win, you need to join the group by the deadline. The original post in the group for the competition explains the full details:
The Steam page for Fantasy Grounds also includes a demo you can download to try out the software.