calibre - Ebook manager, viewer & converter
FlippingBook - FlippingBook changes the way you present your documents
FBReader - FBReader is an e-book reader for various platforms. Features:
Publitas.com - Publitas helps you to drive more visitors to your online store by publishing catalogs online.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Readymag - Readymag is a design toolkit that helps create immersive digital experiences without developers in days, not weeks.