Pingo - Optimize images for the web quickly 🖼️⚡
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.
Presentii - Imagine a tool that lets you capture audience interest in your presentation content as you present.
Google Slides - Create a new presentation and edit it with others at the same time — from your computer, phone or tablet. Free with a Google account.
SlideLizard - Powerpoint plug-in for live audience interaction
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.