Roomvine - Chatrooms for real life venues, neighborhoods and events
Switchboard - Turn your phone into a handsfree intercom
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Tribe - Create highly targeted Twitter ad campaigns in 5 mins
CityBugs - Improving cities to make them a better place to live in.
Houseparty - Brining empathy to online communication.