Decades of Darkness - History of an evil USA dominated by slave owners. - http://decadesofdarkness.alternatehistory.com
What If Gordon Banks had Played? - A British alternate history timeline, resulting from a different result in a 1970 football match, but leading to totalitarianism and war. - http://www.btinternet.com/~chief.gnome
For All Time - A very long and detailed dystopia resulting from the death of FDR shortly after Pearl Harbor. - http://foralltime.alternatehistory.com
This Day in Alternate History - A daily calendar with at least one alternate history scenario per day. Input on the scenarios or suggestions for new scenarios welcome. - http://www.othertimelines.com
David Johnson's webpage - Mostly noteworthy for the long "TrolleyWorld" scenario, also has parts of zines from Point of Divergence. - http://home.earthlink.net/~trolleyfan/
Alternate History Discussion - The largest alternate history discussion forum on the web, plus a directory of individual scenarios sorted by era. - http://alternatehistory.com
Today In Alternate History - Blog that features important events in history that never occurred today. Created by Robbie Taylor of College Station, Texas. - http://althistory.blogspot.com/
B-49 Alternate History - Speculates on how military aviation history would have been different if the project had not been cancelled. - http://www.ninfinger.org/~sven/models/rms_tips/b49alt.hist.html
Surreal History - Includes CSA Today, Balkanized North America and Moslem Australia. - http://users.erols.com/mwhite28/what-if.htm
Uchronia: The Alternate History List - An annotated bibliography of novels, stories, essays and other material involving the 'what ifs' of history. - http://www.uchronia.net/
Point Of Divergence - An Alternate-History Amateur Press Association. A forum for discussion of ideas, and a story workshop for Alternate History Writers. - http://www.marmotgraphics.com/pod/
Alternate History Travel Guides - Over 25 Travel Guides, one pocket guide, and one Interdimensional Brewpub Tour, four worlds and counting. - http://www.ahtg.net/