Slides - Slides is a place for creating, presenting and sharing presentations. The Slides editor is available right in your browser. Unlike traditional presentation software, like PowerPoint, there's no need to download anything.
Zeetings - Turn your presentations into interactive conversations
SlidesPPT - Beautiful free presentation templates for Google Slides
Crowd Mics - Crowd Mics provides solutions to turn phones into microphones for live events to boost audience interaction.
WebSlides - Easily create great-looking HTML presentations.
Ludus - Limitless creativity for your slides.