calibre - Ebook manager, viewer & converter
CrazyTalk Animator - CrazyTalk Animator, the next level of 2D animation. Create actors using any photo or illustration.
FBReader - FBReader is an e-book reader for various platforms. Features:
Synfig Studio - Just another WordPress site
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Animation Paper - Animation Paper is a software package for doing 2D animation.