calibre - Ebook manager, viewer & converter
Taptiq - Affordable online tool for non-technical people to launch their personalized apps within minutes.
Calibre Web - Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks...
Circle.so - Bring together your discussions, memberships, and content. Integrate a thriving community wherever your audience is, all under your own brand.
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Amity.co - Socialize Your App