B-49 Alternate History
Thread of speculations concerning the B-49 "Flying Wing" from the rec.models.scale newsgroup.
Changing the Times
Electronic magazine in multiple languages on alternate history articles by users. Also has a discussion forum.
Wikia: Alternative History
Defines alternate history and the terminology used with links to related articles.
The Tony Jones Alternate History Page
Alternate histories, including Puritan World, Gurkani Alam, and Tellus, written as scenarios for roleplaying games.
Robert's Alternate History Place
Features his alternate history timelines, from alternate outcomes to the American Civil War to the Third Hittite Empire.