Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.
Tellico - Tellico is a KDE application for organizing your collections.
BookPedia - Whether books line every wall of your house or barely fill one shelf, Bookpedia is the perfect...
calibre - Ebook manager, viewer & converter
Numento - With Numento, you will be able to efficiently and easily manage your collection.
BookBuddy - Kimico is a software development company focused on bringing you Essential iPhone and iPad apps designed to keep you organized.