Discotech - Opentable for nightlife. Tickets, guest lists, and VIP.
Roomvine - Chatrooms for real life venues, neighborhoods and events
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Nightler - Find the people. Live the night.
Berkanan - Chat with people nearby. Even offline, on an ✈️.