calibre - Ebook manager, viewer & converter
Calibre Web - Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks...
tinyMediaManager - A multi OS media manager written in Java/Swing
BookCAT - BookCAT is a powerful book collector database program which will help you catalog a book collection...
Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.
Foliate - A simple and modern eBook viewer.