Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
OwnTracks - Cross-platform location sharing
Mapple.me - Mapple.me bridges the gap between available time and availability of friends to increase social...
Companion - Never walk home alone
sup - The first creep-free way to see nearby friends
iOS - iOS is the operating system associated by default with all Apple mobile devices.