tapiriik - Automatically synchronize your fitness activities between Garmin Connect, Runkeeper, Strava and more.
Strava - The #1 app for runners and cyclists
SyncMyTracks - Sync your activities of the most popular sports tracking services.
RunKeeper - Join the community of over 45 million runners who make every run amazing with Runkeeper. Track your workouts and reach your fitness goals!
FitnessSyncer - Make Sense of Your Health and Fitness Data
Runtastic - Runtastic offers a series of fitness apps that can be used to track your running, walking, hiking, and cycling, as well as many other fitness routines. Read more about Runtastic.