Artboard Studio - Online graphic design app mainly focused on product mockups.
Draftsend - Presentations you can 👀 and 👂
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
Reveal.js - A framework for easily creating beautiful presentations using HTML
Snappa - The perfect graphic design tool for digital marketers.
Slidebean - Presentations that design themselves