calibre - Ebook manager, viewer & converter
Apple Books - The all-new Apple Books has been redesigned to make finding, reading, and listening to books a beautiful, effortless experience on iPhone and iPad.
tinyMediaManager - A multi OS media manager written in Java/Swing
Open Library - The ultimate goal of the Open Library is to make all the published works of humankind available to...
Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.
The Book Depository - The Book Depository (Guernsey) is the UK's largest dedicated online bookseller, offering the...