TicketHarbor - The safer Craigslist for P2P ticket exchanges
pretix - pretix helps you to sell tickets for your event in an easy way. It supports multi-lingual events and provides a wide range of features
Sporteventus for iOS - The worldwide search engine for sporting events and tickets
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Up All Night - Concerts and exclusive events for $25 a month
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.