Yahoo Fantasy Sports - Fantasy Baseball, Football, Basketball, and Hockey through Yahoo.
Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android
FanDuel - Daily Fantasy Football, MLB, NBA, NHL Leagues...
Proboards - ProBoards is a host of free forums with customer service.
No Halftime - Challenge others on player vs player fantasy sports matchups
Forumotion.com - Create a free forum : free forum hosting, free forum skins, templates editing, chatbox, RPG mod... Choose PhpBB 2 - 3, Invision or PunBB. Create forums now!