Hoodline - Hyper-local SF news from the former editor of TechCrunch
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Circa - Find a time that works for everyone, in every time zone
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
The Tab - Hyperlocal news site written by student journalists
OwnTracks - Cross-platform location sharing