Roomvine - Chatrooms for real life venues, neighborhoods and events
Hoodline - Hyper-local SF news from the former editor of TechCrunch
Jodel - What is Jodel all about? Jodel is the community that shows you what's happening in your area in real-time.
Circa - Find a time that works for everyone, in every time zone
Yakko - Anonymously post, comment, and interact with people at your university.
The Tab - Hyperlocal news site written by student journalists