Starters - Hacker news for sports tech
TeamSnap - Sports Team, Club & League Management Software & Apps
Swish - Insanely great window management
Spond - The easiest way to organize team sports or other type of group activities
Scorum.com - Become a paid sports blogger
Sportlyzer - Sportlyzer is a player development and team management software for youth and amateur sports clubs. The platform connects coaches, managers, players and parents.