Alpha Centauri

Alpha Centauri Area
Downloads, scenarios and FAQ.
http://www.geocities.com/yang_damian/alphafan.html

Alpha Centauri Heaven
Reviews, resources, and information on the various factions.
http://members.tripod.com/ACHeaven/

Apolyton CS - Sid Meier's Alpha Centauri
Game encyclopedia, strategies, interviews, downloads, chat rooms and transcripts, fan fiction, hall of fame, and message boards.
http://apolyton.net/smac/

The Arrival
News, game information, fan fiction, downloads, news, multiplayer ads, tips, cheats, message board, and a chat room.
http://ac.strategy-gaming.com/

The Complete Alpha Centauri Quotebook
Compilation of the quotes used in gameplay.
http://www.generationterrorists.com/quotes/smac.html

Firaxis - Alpha Centauri
Official site, including news, features, and a gallery of screenshots from the game.
http://www.firaxis.com/smac/

Game Revolution: Alpha Centauri Cheats and Hints
List of possible cheats.
http://www.gamerevolution.com/oldsite/games/codes/pc/alpha_centauri.htm

GameSpot
Includes review, news, downloads, screen shots, cheats, and FAQs.
http://www.gamespot.com/pc/strategy/sidmeiersalphacentauri/

Loki: Sid Meier's Alpha Centauri
Basic information on the Linux port, from the now-defunct Loki Games.
http://www.lokigames.com/products/smac/

Sid Meier's Alpha Centauri Game Guide
Designer diary, strategies, and discussion on best units.
http://www.gamespot.com/features/alpha/

SMAC/X Active Players
A database of Alpha Centauri and Alien Crossfire Players oriented towards finding other players, technology trees, strategies and pictures.
http://www.angelfire.com/games3/AlphaCentauri/