Clikapad - ppvote software portfolio is a PowerPoint add-in that has been specifically designed to be used with CLiKAPAD audience response system hardware.
SlidesPro - Google Slides add-on w/ shortcuts, YT videos & more
Imaginators - Create interactive presentations
Tall Tweets - Tall Tweets, now with support for 280 characters
Mentimeter - a web-based polling tool for workshops, conferences & events
TalkingDeck - With TalkingDeck you can create instructional videos from Google Slides presented by our animated characters.