Dawnsisters Weyr - A strict canon, message board-based club set in a post-AIVAS Ninth Pass scenario where the Federation of Sentient Planets rediscovered Pern and ancient Pernese traditions mix with modern technology and alien ideas. - http://www.dawnsistersweyr.net/
Wayfarer's Arena and Basement Hold - A relaxed canon (female brown and blue riders allowed) RPG set towards the end of an alternate Tenth Pass (non-AIVAS) with two breeds of whers; board also contains Stargate SG-1, Highlander, Harry Potter, and Iolar RPGs. - http://ladyimmortal.net/forum/
PernRPG - RPG approved by Anne McCaffrey. - http://www.pernrpg.com/