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.

The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.

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

Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.

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.

Ask Me Help Desk - Ask Me Help Desk is a question-and-answer site.