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

Senatus - Upvote for questions around a given topic.

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

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.

Pingo - Optimize images for the web quickly 🖼️⚡

LiveQ - LiveQ is an interactive presentation software that lets audience can ask & vote questions anonymously. You can collect the best questions that you should answer. Loved by teachers, speakers, event owners.