Aolyth is a storytelling community for the PC game Neverwinter Nights. It is a dark fantasy world drawing heavily from gaelic and Arthurian influences.
The Bohemia Saga is a combination of freeform collaborative storytelling and guided, campaign driven, group story arcs.
Based loosely off of the Warrior Books, this is a post-by-post roleplay based on storytelling and fun.
Magic Master : A Site Devoted to Storytelling and Good Times.
WindSwept: A home for the cyberpunk role play community.
The Confluence of Five Kingdoms
Pure Storytelling for Role-Players, Pure Role-Playing for Story Tellers. A writing sanctuary where you can create your own world and share it with like minded individuals.
A forum dedicated to the collaborative storytelling setting 'Amongst the Stars'.