LockOnMe - LockOnMe is a location-sharing app, displaying targets and associated Points Of Interest on maps & fun radars.
LocationAPI - Instantly locate any device w/ WiFi, celltowers & IP address
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Companion - Never walk home alone
Xaddress - Give 7 billion people an instant physical address
Iris - The fastest web framework for Go in (THIS) earth