Readerware Book Database - The easiest, fastest way to catalog your books, nothing else comes close.
Helium Music Manager - You can take control of your music collection.
Tellico - Tellico is a KDE application for organizing your collections.
BookCAT - BookCAT is a powerful book collector database program which will help you catalog a book collection...
Book Catalogue - This is a simple book catalogue application, to store a list of your books.
Music Collection - This Music Collection Software allows you to organize your music collection including CDs, MP3s or vinyl records into a fully searchable database.