This is an extract from our Branding For Startups stack that you can download here

Frontify
Brand management is now made easy with Frontify! Frontify is a software for branding and simplifying the whole process of design.
https://www.frontify.com/

Zeroheight
Create beautiful living styleguides and document all your design system resources in one place.
https://zeroheight.com/landing

Zeroheight
Create beautiful living styleguides and document all your design system resources in one place.
http://hugeinc.github.io/styleguide/