EspoCRM - EspoCRM is open source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type.
TeamSnap - Sports Team, Club & League Management Software & Apps
CiviCRM - A Constituent relationship management for the Civic Sector
Spond - The easiest way to organize team sports or other type of group activities
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.
Heja - Easily communicate within your sports team