Invision - Prototyping and collaboration for design teams
Brandpad - Host your brand guidelines and assets in the cloud
Plant - Version control app and plugin for Sketch
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.
FOLIO - Simple version control app for designers based on Git
Corebook.io - An online brand guidelines platform for the world's most brilliant brands and their creators.