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.
Social Q&A - Better audience Q&A for presentations and events
DeckRobot for PowerPoint - Make your slides shine with one click ✨
BlueJeans - Blue Jeans Network maintains a cloud-based video collaboration service that enables video conferencing using practically any device.
Mentimeter - a web-based polling tool for workshops, conferences & events
Sparkup - Sparkup is an audience interaction platform for live and virtual meetings and events. Easily create interactive Q&A, word clouds, live polls and quizzes to engage your audience.