calibre - Ebook manager, viewer & converter
Helium Music Manager - You can take control of your music collection.
Calibre Web - Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks...
BookCAT - BookCAT is a powerful book collector database program which will help you catalog a book collection...
Waf Music Manager - Waf Music Manager is a lightweight and fast application that helps to organize the local music collection, such as large music files, edit, video formats support, high resolution, and many more.
BookReader - FLOSS book reader with a simple UI.