Nice Trails - Turn GPS tracks into 3D printed mountains
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Whympr - The app to plan, enjoy and share your mountain activities
OwnTracks - Cross-platform location sharing
Relief Maps - 3D GPS for outdoor sports
Mapple.me - Mapple.me bridges the gap between available time and availability of friends to increase social...