Call to Power Series

Activision Support
The official support website that provides help for CtP and CtP2 players.
https://activision.custhelp.com/cgi-bin/activision.cfg/php/enduser/home.php

Civilization Fanatics' Forums - Call to Power Series
Discussion forum for the Call to Power series.
http://forums.civfanatics.com/forumdisplay.php?s=2a6c5dd7b5887cbcc23de3d5fdbc2610&forumid=22

CtP Modmaker's Depot
Guidelines about the SLIC scripting language. Also several file downloads.
http://ctpmodmakers.250free.com

The Land of Hexagonia
Collection of scenarios and modified files for CtP2, but also several available for CtP.
http://www.geocities.com/hexagonia/

Wes Whitaker's CTP1/2 Modification Site
Home of the Medieval Pack mods for CtP and CtP2.
http://wes.apolyton.net