AhCraps - http://www.ahcraps.com/
Offers a manual on playing craps, dice setting instructions, messageboard, games and rules.
Craps-Casinos - http://www.craps-casinos.com
Offers reviews and recommendations of online craps games. Also offers information on systems, rules and guides.
Online Craps - http://www.onlinecraps.net
Offering online craps rules, strategies, playing guides and tournament information.