What are some alternatives?
When comparing OpenBrand and Branding Guide, you can also consider the following products
zeroheight - Organize and share your design libraries
pilcro - Get all your brand assets in one place with free brand guideline software. Access your brand assets quickly, save and share with Google
Frontify Style Guide - Create beautiful web-based brand manuals in minutes
Patternry - A tool for building living UI libraries
Branding Compass - Branding Compass gives automated, expert branding advice.
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.