Backgammon

Backgammon Galore
Offers rules, glossary, newsgroup archive, software, articles, annotated matches, and a Java game.
http://www.bkgm.com

Backgammon Today
An international magazine published from 2000-2002.
http://www.backgammon-today.com/

Backgammoned
Provides history, rules, common strategies, and articles.
http://www.backgammoned.net/

BG Info
Photos, biographies, and the KG ranking list.
http://www.bg-info.com

The Gammon Press
Specializes in publishing books dedicated to backgammon. Also sells back issues of "Inside Backgammon", a magazine published from 1991 to 1998.
http://www.thegammonpress.com/

Mind Sports Organization Worldwide
Presents articles about strategy, chouette, tournament play, history, and personal experiences.
http://www.msoworld.com/mindzine/news/classic/bg/bg.html

Quadrogammon
A four-player variant.
http://www.quadrogammon.com/

RedTop's Backgammon
Features essays about strategy and the role of luck versus skill. Also presents tournament details, a glossary, and chouette rules.
http://www.redtopbg.com/

The Trictrac Home Page
A variant of the game. This site contains rules, sample games and a bibliography.
http://pages.sbcglobal.net/david.levy/trictrac/rules/rules.htm

Wikipedia – Backgammon
Encyclopedia article provides information about the history, rules, and basic strategy.
http://en.wikipedia.org/wiki/Backgammon