Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Companion - Never walk home alone
OwnTracks - Cross-platform location sharing
LocationAPI - Instantly locate any device w/ WiFi, celltowers & IP address
Mapple.me - Mapple.me bridges the gap between available time and availability of friends to increase social...
Iris - The fastest web framework for Go in (THIS) earth