Scala Days App - The official Scala Days App handcrafted by 47 Degrees.
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
Yapp - Yapp enables users to create personalized mobile applications for their events, gatherings, and groups.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
ThunderTix - Event Ticketing Software for event management. No ticket fees. Sell tickets online for live music, sightseeing tours, theaters, schools and festivals.