Summer Omaha Ultimate League (SOUL)

http://www.omahadisc.com

Lincoln Ultimate Disc Association (LUDA)

http://www.lincolnultimate.com

Disc Store

http://www.discstore.com/

Omaha Disc Expo - GPS2013

http://omahadiscexpo.wordpress.com/ultimate/ 

Spirit Championships - aka the Free Fall Series

http://www.freefallseries.com

Score Reporter - USA Ultimate

http://scores.usaultimate.org/scores/#open/scoreboard