Nightout - The standard in event ticketing and marketing by NIGHTOUT
Airbnb - Book unique places to stay and things to do.
Sporteventus for iOS - The worldwide search engine for sporting events and tickets
TicketHarbor - The safer Craigslist for P2P ticket exchanges
SplitTiks - Reserve your event tickets for a fraction of the price
Up All Night - Concerts and exclusive events for $25 a month