Syndicate HQ, the best fan site available for Oni. Updated almost daily with great pictures, fanart, and information.
Syndicate HQ Oni 2, one of the only 2 sites about Oni 2, an upcoming sequel to Oni (at least for now).
Syndicate HQ - Oni 1 is from now on shut down. The site still exists. All the work will be done on Oni 2 now, however