Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Jukely - Go to hundreds of concerts for one monthly fee 💃
Zoho Backstage - Plan, run, and analyze your event— all from one place
Sporteventus for iOS - The worldwide search engine for sporting events and tickets
Meetup for iOS and Android - Discover groups that are all about the things you love
TicketHarbor - The safer Craigslist for P2P ticket exchanges