Kobo Books - Kobo Books is a best in the class eBooks and eReadering apps for many reasons.
FlippingBook - FlippingBook changes the way you present your documents
AbeBooks - AbeBooks has millions of new & used books, rare books and out of print books.
Publitas.com - Publitas helps you to drive more visitors to your online store by publishing catalogs online.
Occupy the Bookstore - Chrome extension to easily surface cheaper textbooks
Readymag - Readymag is a design toolkit that helps create immersive digital experiences without developers in days, not weeks.