Socrative - Socrative helps teachers engage the class with educational activities to measure and visualize...

Padlet - Visual boards for organizing anything.

Kahoot! - Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.

Acadly - Acadly is an all-in-one edtech product that boosts interactivity between professors and students both inside and outside the classroom.

CloudVOTE - Interactive training management system for instructor-led group training with audience response, content management, offline sync, and LMS integration.

Popplet - Popplet is the simplest application to capture and organize your idea.