fennel DVDManager - fennel DVDManager (aka fsDM) is our next-generation DVD manager (sic) for Mac OS X.
Rawg - Video game discovery powered by you!
ratehouse - The comprehensive media database for music, movies, tv shows, books, games, and podcasts.
DVD Hunter - DVD Hunter is a free application for Mac to catalog, sort, and organize your movie collection.
Backloggery - Backloggery helps gamers keep track of unplayed and unfinished games in their collection.
Tellico - Tellico is a KDE application for organizing your collections.