RunKeeper - Join the community of over 45 million runners who make every run amazing with Runkeeper. Track your workouts and reach your fitness goals!
iFit – Workouts at Home - iFit – Workouts at Home app allows users to access an extensive collection of thousands of home workouts with advice and motivation from world-class fitness trainers.
Golden Cheetah - GoldenCheetah is a software package that:
Strava - The #1 app for runners and cyclists
SportTracks - Enjoy tracking your fitness goals in an easy-to-use tool
BitGym - Virtual Cardio Tours. No heart rate sensor of special hardware required.