Tellico - Tellico is a KDE application for organizing your collections.
Gamepedia - Gamepedia is a game cataloging application for everyone running Mac OS X.
DVD Hunter - DVD Hunter is a free application for Mac to catalog, sort, and organize your movie collection.
DVDPedia - DVDpedia is a movie cataloging application for Mac OS X.
Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.
Rawg - Video game discovery powered by you!