The (unofficial) Atari UK Home Page. The oldest and biggest Atari page.
Developers List. A cool list of developers and Falcon products they are working on right now.
Atari's current stock information. Courtesy of MIT (also other stock's information, if you care).
Atari 8-Bit Homepage.
Unofficial Atari Lynx Home Page.
Unofficial Atari Jaguar Home Page.
Atari 2600 Games from Intrrr.Nrrrd
Jeff Minter's Yak Page (Jaguar Related).
(M.J.Maisey@durham.ac.uk) Information about NeST and Mint.
The Atari Users List Page.
Atari Library. Someone else trying to do something like what YAC is trying to do.
Atari stuff. And again.
Atari Links List. And again.