Synchronization with external providers

NAME	UPLOAD	DOWNLOAD	FEED	SPORTS
Digifit	OK			Running/Biking/Other
Endomondo	OK		OK	Running/Walking/Biking/Orienteering/Other
Facebook	OK			Running/Walking/Biking/Orienteering
FunBeat	OK		OK	Running
Garmin	No			Running/Walking/Biking/Other
GoogleFit	No			Running/Walking/Biking/Orienteering/Other
jogg.se	OK			Running
MapMyRun	OK			Running/Biking
Nike+	OK		OK	Running
Runalyze	No			Running/Walking/Biking/Other
RunKeeper	OK	OK	BROKEN	Running/Walking/Biking/Other
RunningAHEAD	OK			Running/Biking/Other
Runtastic	BROKEN			Running/Biking/Other
Strava	OK			Running/Biking/Other

You can also synchronize several providers with tapiriik.

If you are looking for developer details, take a look at the wiki.