Berkanan - Chat with people nearby. Even offline, on an ✈️.
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Roomvine - Chatrooms for real life venues, neighborhoods and events
OwnTracks - Cross-platform location sharing