Planet Civilization
- Provides Civilization and Pirates news, information about the titles and bulletin boards.
- http://planetcivilization.gamespy.com/

FilePlanet - Civilization Series
- Download repository with patches for most titles in the series.
- http://www.fileplanet.com/63446/0/section/Civilization-Series

civ.org.pl
- Fansite about games such as Civ 1 - 4, SMAC and Freeciv. Site in English and Polish. Includes downloads, screenshots, guides, and forums. [English and Polish]
- http://www.civ.org.pl/

Nethog's Games Page
- Downloadable technology trees and unit summaries for Civilization I to III and Play the World. Available in PDF, Excel, and PowerPoint.
- http://mywebpages.comcast.net/pmm1/games/games.html

Gamecatcher Forum - Civ Related
- Forum for general discussion about the Civilization series.
- http://www.gamecatcher.net/fora/viewforum.php?f=4

Civilization Gaming Network
- Community website with forums and patches for Civ III.
- http://www.civgaming.net

Civilization Fanatics Center
- Fan site dedicated to the entire Civilization series. Includes news related to the titles, information, downloads, and bulletin boards.
- http://www.civfanatics.com/

Apolyton Civilization Site
- One of the oldest community sites that covers all Civilization games. Offers news coverage, interviews, file downloads and forums.
- http://apolyton.net