SlideLizard - Powerpoint plug-in for live audience interaction
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.
Pingo - Optimize images for the web quickly 🖼️⚡
SlidesPPT - Beautiful free presentation templates for Google Slides
Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.
WebSlides - Easily create great-looking HTML presentations.