Google Earth VR - Walk the earth in VR
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Relief Maps - 3D GPS for outdoor sports
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Mountain hub - Your real-time network for the outdoors
LockOnMe - LockOnMe is a location-sharing app, displaying targets and associated Points Of Interest on maps & fun radars.