Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.
Metacritic - Metacritic aggregates music, game, tv, and movie reviews from the leading critics. Only Metacritic.com uses METASCORES, which let you know at a glance how each item was reviewed.
Movie Label - Organize all your movies in no time.
Rawg - Video game discovery powered by you!
Tellico - Tellico is a KDE application for organizing your collections.
IMDb - Internet Movie Database