SlidesPPT - Beautiful free presentation templates for Google Slides
Clikapad - ppvote software portfolio is a PowerPoint add-in that has been specifically designed to be used with CLiKAPAD audience response system hardware.
Slidebean - Presentations that design themselves
Imaginators - Create interactive presentations
Peetch - The last PowerPoint Pitchdeck you’ll ever need
Monterosa - Monterosa is an audience engagement platform that allows you to manage a large audience and conduct the poll in real-time.