Hoodline - Hyper-local SF news from the former editor of TechCrunch
Roomvine - Chatrooms for real life venues, neighborhoods and events
The Tab - Hyperlocal news site written by student journalists
Spectrum - Browser-based app to visualize the frequencies of an audio file.
SpotlightNews - Now your newsfeed is authentic, local and 100% yours
Berkanan - Chat with people nearby. Even offline, on an ✈️.