Team Artail -  .

The GHZ - - Series history, game zone descriptions and screens, character descriptions and multimedia.

Shadow of a Hedgehog - - Images, music, and resources.

The Sonic Center - - Time Attack competitions and information.

Sonic Dream - - Contains information, secrets and glitches on Sonic Adventure. Fan art and fiction is also available.

The Sonic Foundation - - News, information, music, art, and fiction.

Sonic HQ - - Contains information on the games, comics, cartoons, downloads, fan fiction, and music.

Sonic in Gr - - Aimed at Greek Sonic players, though information is universal. Includes chat, cheats, and downloads.

Sonic Info - - Offers sprites, downloads, and images.

Sonic Metropolis - - Game secrets, FAQs, music, and message boards.

Sonic Oasis - - Offers information, pictures, music, image galleries, and links.

Sonic Online 2 - - Contains character profiles, history, and sprites.

Sonic Secrets Group - - Secrets, images, codes, and character biographies.

The Sonic Shuffle Space - - Information on all aspects of the game Sonic Shuffle.

The Sonic Stadium - - News, information, forums and chat.

Sonic World - - Background information on the games and cartoons. Offers MIDIs, fan art and other creations, and forum.

Sonic X Network - - Message board with off-topic, console, and character discussions.

Sonic Zone - - Character bios and game data.

Sonicology - - Prototypes, hacks, cheats, glitches and zone data.

SonicVerse Team - - Online comics, games, art, music, and fan fiction.