BubbleBook is a GitBook clone
How it works:
Registered users can create "Spaces" (aka projects) and add/edit pages
Spaces are highly customisable with logos, colors, sharable url...
Spaces can be publicly viewed
Creating project documentation
Organizing Ideas, personal notes
Creating knowledge bases
Demo Space: https://gitbook.bubbleapps.io/s/demo-space
Mobile Friendly design
Includes Website: Home, About and Pricing pages
Inner Pages: Spaces, Settings, Edit Space, View Space etc
Sign In, Sign Up, Password Reset...