uLouder - Modern Craigslist and Nextdoor for urban nomads
Discotech - Opentable for nightlife. Tickets, guest lists, and VIP.
Explore nearby places for Airbnb - Discover must-see places when browsing Airbnb (Chrome ext)
Nightler - Find the people. Live the night.
Whereabouts - Write posts and chat (group or 1-on-1) with people nearby!
PartyUP - See videos from the best nightlife venues in your city.