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.

Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.

Speak up Live - Anyone can ask questions - the team votes on the best ones.

Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.

Wooclap - A web-based platform that helps teachers boost participation and measure the level of understanding of students' in class thanks to smartphones.

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets