Generally speaking, you can't make money on Arctic, or you'll be much closer to engaging in copyright infringement, since the DragonLance stuff is protected IP. I think, but am not sure, that Margaret Weis bought it back from WOTC a while back. Anyways, so long as it's free, there's a good "fair use" argument. That begins to erode when you start taking "donations" even if it's just for costs.
JJ and I, and others, have been discussing expanding the platform through a potential port to Slack / Facebook. Still in the discussion / feasibility study stages, though.