When I hear about something being given away for free, I always ask myself “is this like a free beer or a free cat?” Obviously, free beer has very little downside – taken in moderation of course. A free cat, on the other hand, comes with obligations and hidden ongoing costs like food, vet bills and a commitment for many years to come. My point is, always look closely to make sure that whatever you get for free really is “free.”
Read more here http://blog.sailpoint.com/2013/11/free-connectors-sailpoint/