SportEasy - SportEasy is an awesome app to communicate with your team and organize your games and practices...
TeamSnap - Sports Team, Club & League Management Software & Apps
Luddie Organizer - Luddie Organizer is a free tool which helps to organize regular sport events.
Fullcourt - The social network for basketball players
Teamstuff - A free and fully featured app and web platform for managing teams and clubs.
Spond - The easiest way to organize team sports or other type of group activities