Storyly - Bring superb stories to your app
FlippingBook - FlippingBook changes the way you present your documents
Zuck.js - JavaScript library that lets you add Stories everywhere
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
Stories as a Service - Add stories to your website with 1 line of code
Flipsnack - Flipsnack | PDF to HTML5 flipbooks