Maze Templates - A library of pre-made user tests and surveys
Yahoo Fantasy Sports - Fantasy Baseball, Football, Basketball, and Hockey through Yahoo.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
FanDuel - Daily Fantasy Football, MLB, NBA, NHL Leagues...
UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
No Halftime - Challenge others on player vs player fantasy sports matchups