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.

Loomio - Loomio helps groups of people make decisions together, online.

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.

DemocracyOS - DemocracyOS is an open source application for online decision making.

Hypersay - We Create Innovative Technology for Events! Do more with less! Wide range of premium features to fit your event’s needs

Airesis - A decision making tool for direct democracy and e-government: participate in discussions, bring your ideas, suggest solutions and vote online