Prezi - Welcome to Prezi, the presentation software that uses motion, zoom, and spatial relationships to bring your ideas to life and make you a great presenter.
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.
Slidebean - Presentations that design themselves
Imaginators - Create interactive presentations
SlidesPPT - Beautiful free presentation templates for Google Slides
Visme - One easy to use online tool to visualize your ideas to engaging Presentations, Infographics and other Visual Content.