Poll Everywhere - Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Sli.do - Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.
EventMobi - EventMobi is an interactive mobile event app, audience response and engagement platform for conferences and trade shows.
FORM.com - FORM.com is an enterprise mobile forms software and solutions perfect for optimizing online and offline inspection, audit, compliance operations and more.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets