The GTS Fan Network - - Chat room, gameboy information, fanfic, a news area, a message board, and picture gallery.
H.E.A.T. Headquarters - - Unofficial site with a chat forum, news, images, interviews, merchandise information, a message board, character biographies, and a show list.
H.E.A.T. Seeker - - Fansite containing show information, character profiles, fanfics, and exclusive original content.