Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.

Pingo - Optimize images for the web quickly 🖼️⚡

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.

schnaq - Create an engaged and interactive audience with the schnaq Q&A, polls and more.

Mentimeter - a web-based polling tool for workshops, conferences & events

Presentii - Imagine a tool that lets you capture audience interest in your presentation content as you present.