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.
Reveal.js - A framework for easily creating beautiful presentations using HTML
Academic Presenter - Academic Presenter is professional presentation software designed by academicians for academicians to elevate presentations’ quality to the next level
Sozi - Sozi
Flowtime.js - Flowtime.js is an open source framework for easily build HTML presentations or websites.
Keynote - Keynote for Mac, iOS, and iCloud lets you make dazzling presentations. Anyone can collaborate — even on a PC. And it’s compatible with Apple Pencil.