Mastodon - Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Futurenet - Futurenet is a new social network like Facebook but you will get paid to use it.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
LockOnMe - LockOnMe is a location-sharing app, displaying targets and associated Points Of Interest on maps & fun radars.