guidebook - The best and simplest way to create a mobile guide for your event or venue. Features
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Whova - Whova event app, online registration, event management software, and event marketing help you create the most engaging and organized event ever. Learn more
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Flowh - A Calendar Community in the style of Twitter. Follow, be followed, refollow (retweet).
EventMobi - EventMobi is an interactive mobile event app, audience response and engagement platform for conferences and trade shows.