Freeciv

Apolyton.net FreeCiv Forum
Discussion forum.
http://apolyton.net/forums/forumdisplay.php?forumid=111

Civ
Offers game manuals, an FAQ, online gameplay information, and downloads.
http://www.civ.alkar.net/

FreeCiv 1.5 Information
Documention by Rudy Moore designed to fill the gaps in the official online documentation.
http://www.upl.cs.wisc.edu/~orn/freecivinfo.html

The Freeciv Game User's Guide
A guide on the game's concepts and elements.
http://tecfa.unige.ch/guides/games/freeciv/manual/game.html

FreeCivilopedia
An encyclopedia of units, city improvements, and wonders found in FreeCiv.
http://home.arcor.de/chr.schweer/Sonstiges/FreeCivilopedia/

Zaurus Freeciv
A port for the PDA. Has screenshots, news, and download.
http://www.robfisher.net/zaurus/freeciv.html