Data Crow!

Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e., a single entry in your library that may correspond to actual e-book files in several formats.

GCstar is a free open source application for managing your collections. Detailed information on each item can be automatically retrieved from the internet and you can store additional data, such as the location or who you've lent it to. You may also search and filter your collection by many criteria.

Automatically track TV, Anime & Movies what you're watching.

EMDB is an application to keep track of your movie and TV Series collection. Both physical discs and media files are fully supported.

Tellico is a KDE application for organizing your collections. It provides default templates for books, bibliographies, videos, music, video games, coins, stamps, trading cards, comic books, and wines.

Ebook Library management and reader. Supports DRM protected PDF and EPUB files.

Ant Movie Catalog is a free, open-source program made to manage your collection of movies on DVD, CD (VideoCD, DivX, ...) and tapes.

Listal is a web-based DVD, music, game, book and many other things collection manager.

Griffith is a media collection manager application. Adding items to the collection is as quick and easy as typing the film title and selecting a supported source. Griffith will then try to fetch all the related information from the Web.

Numento is a elegant collection software fully customizable that will let you freely choose your method of management. Manage your library (Books,CD, DVD, comic books, games), your coins, your stamps, your postcard, etc. Publish your collection on the internet with just one click.

Ember Media Manager (aka EMM or Ember) is an open source movie and TV Show collections management tool which initially has been created to use with XBMC, but it contains modules for a few media center application, moreover it should virtually support most of the other media center application out there. It empowers home theater enthusiasts to manage and organize their entire movie and TV Show collections. EMM will scrape movie and TV Show information (plot, cast, genre, studio, mpaa certification, etc) from various sites, together with posters, fanart, actor photos and even movie trailers. It also automatically extracts media meta data like resolution, codecs, audio and subtitle streams. EMM can also be used as a standalone movie organizer/cataloger, but the primary aim is to export all the data and images to a format which can then be imported into your favorite media center application. In order to achieve this, EMM stores all data and images in files which are saved next to the media files. Media center applications can pick up those files and import the information to their own internal database. »

Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database.

Collectorz.com Book Collector instantly catalogs your home library in a personal book database. Just enter enter ISBNs or scan ISBN barcodes and let Book Collector download all details and cover images.

Coollector Movie database is the most complete tool for the movie lovers. It's a huge database of movies and series, personalized with what you've seen, how much you've liked it, and what you wish to see. It's also a video collection manager, to track what DVDs you own, where they're stored, and which ones you've loaned. It can handle your digital collection too, with a lightning-fast file scanning feature. Last but not least, it'll analyze your taste to give you the best movie recommendations you've ever had. »