freedb is a database of compact disc track listings, where all the content is under the GNU General Public License. Developed by Ti Kan
License: Open Source
MusicBrainz Picard is a more advanced tagging tool with features like audio fingerprinting and extensive customization options, making it ideal for serious music collectors. In contrast, Freedb is a simpler solution for quick access to CD metadata, suitable for casual users who need basic tagging.