Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Fit Meet - Find patterns for any sports or activity.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Rovo - Rovo – Find Sports Buddies is a simple and easy-to-use social app that is designed to meet new strangers for sports.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
FitMatch - FitMatch – Find Workout Buddies and Fitness Friends is a complete social communication app that connects you with people who share their fitness stuff.