FanDuel - Daily Fantasy Football, MLB, NBA, NHL Leagues...
No Halftime - Challenge others on player vs player fantasy sports matchups
Yahoo Fantasy Sports - Fantasy Baseball, Football, Basketball, and Hockey through Yahoo.
RedraftHero - All-in-one fantasy sports platform.
FanzTap - Fantasy Sports without the rake and social media to brag.
Daily Fantasy Fuel - Provides Analytics and Stats for Daily Fantasy Sports.