Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.
TV Rename - Move or copy and rename media files, download posters, banners and episode images, create .
Tellico - Tellico is a KDE application for organizing your collections.
FileBot - FileBot is the ultimate tool for organizing and renaming your Movies, TV Shows and Anime as well as fetching subtitles and artwork. It's smart and just works.
Readerware Book Database - The easiest, fastest way to catalog your books, nothing else comes close.
tinyMediaManager - A multi OS media manager written in Java/Swing