Tellico - Tellico is a KDE application for organizing your collections.
calibre - Ebook manager, viewer & converter
BookPedia - Whether books line every wall of your house or barely fill one shelf, Bookpedia is the perfect...
FBReader - FBReader is an e-book reader for various platforms. Features:
Readerware Book Database - The easiest, fastest way to catalog your books, nothing else comes close.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.