Brandpad - Host your brand guidelines and assets in the cloud
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.
Brandfolder - One link to all your marketing assets. Brandfolder is your convenient source to visually organize, quickly find and easily share all your final brand assets.
Polotno Studio - Hustle-free graphic design editor. No signups, no ads.
Corebook.io - An online brand guidelines platform for the world's most brilliant brands and their creators.
Artboard Studio - Online graphic design app mainly focused on product mockups.