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.
Ant Movie Catalog - Ant Movie Catalog is a free, open-source program made to manage your collection of movies on DVD...
Readerware Book Database - The easiest, fastest way to catalog your books, nothing else comes close.
EMDB - Eric's Movie Database - EMDB is an application to keep track of your movie and TV Series collection.
Book Catalogue - This is a simple book catalogue application, to store a list of your books.