OpenAthlete is described as 'Endurance athletes feed years of intimate training data into proprietary U.S. platforms such as TrainingPeaks, Strava, and Garmin Connect, with little practical say in how that data is processed, monetized, or retained' and is an app in the sport & health category. There are four alternatives to OpenAthlete for a variety of platforms, including Android, iPhone, Web-based, Mac and Windows apps. The best OpenAthlete alternative is Strava, which is free. Other great apps like OpenAthlete are Garmin Connect, TrainingPeaks and Good Coach App.