Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.
GCstar - Great Software to organize your DVDs, Blu-Rays, Games, etc.
Data Crow - Data Crow is the ultimate media cataloger and media organiser.
EMDB - Eric's Movie Database - EMDB is an application to keep track of your movie and TV Series collection.
Must App - Your personal movie assistant
Griffith - Griffith is a media collection manager application.