The Ars Magica roleplaying game is currently complete, but the community is still mining great gaming material out of medieval history as part of a Share Alike License. The Games From Folktales podcast gives you new, odd, useful material each week, for roleplaying games set in European-styled fantasy settings.
Drivethrurpg link to follow once their human-mediated approval system ensures its quality.
Creature statistics and transcripts are available from the blog which accompanies the podcast.
