SportEasy - SportEasy is an awesome app to communicate with your team and organize your games and practices...
sPortable - instant messaging, video chat and phone calls
Luddie Organizer - Luddie Organizer is a free tool which helps to organize regular sport events.
Team App - Team App is a platform that allows teams and groups to improve communication by creating their very own smartphone app.
Teamstuff - A free and fully featured app and web platform for managing teams and clubs.
Sporty - Beautiful app for creating/joining sports activities nearby