Create your own hosted style guide: Brand.ai
Web app allows you to create a professional hosted style guide for a brand so that it is accessible by all people involved in using those elements for their communication work.
Brand.ai can also integrate with your favorite team collaboration, productivity and web design tools such as Sketch, Slack and soon Adobe tools, PowerPoint and WordPress.
Brand.ai exports the style guide properties to SASS, Less, or Stylus files.
Here's an example of a style guide: https://brand.ai/styleguide/acme-demo
30-day free trial.
Pricing: https://brand.ai/pricing
My comment: Useful service to coordinate and publicly share the official communication references for a brand. The available integrations make it palatable for web designers / developers.
Try it out now: https://brand.ai/