» Cha'Los Craftworld / Four Winds of Chaos    Includes unofficial units, rules and background fiction for the Four Winds of Chaos.    http://www.farseertyross.pwp.blueyonder.co.uk

» Chaos Space Marine Wikipedia Article    Wiki article, detailing the history and other information pertaining to the Chaos Space Marines.    http://en.wikipedia.org/wiki/Chaos_Space_Marines

» Dark Apostle    Dedicated to Chaos, mainly Nurgle, and Space Skaven.    http://www.angelfire.com/scifi2/inq40k/

» Death to the False Emperor    Includes forums on the other races.    http://s7.invisionfree.com/DTTFE/

» Diseased Sons    Details the Diseased Sons, a Nurgle Chaos Space Marine chapter.    http://nurgle.muschamp.ca

» Scotts Warhammer 40k Site    Includes information about the Chaos space Marines and Terrain building.    http://www.freewebs.com/scotts40k/

» The Dark Dimension    Information on the gods and their armies.    http://www.freewebs.com/the_dark_dimension/

» Worldeaters: Chosen of Khorne    Site for worshipers of Khorne to gather and discuss tactics, painting and hobbies.    http://www.angelfire.com/games4/worldeaters/