MetaBrainz Projects

MusicBrainz

MusicBrainz is a community-maintained open source music encyclopedia that collects music metadata and makes it available to the public.

MusicBrainz Picard

MusicBrainz Picard is an open-source software application for identifying, tagging, and organizing digital audio recordings.

Cover Art Archive

Cover Art Archive is a database of cover art corresponding with the releases in MusicBrainz. It is a joint project with the Internet Archive.

CritiqueBrainz

CritiqueBrainz fills the gap between music critics and raw data by providing a platform created for the sole purpose of Creative Commons licensed reviews.

AcousticBrainz

AcousticBrainz crowd sources acoustic information for all music in the world and makes it available to the public. It is a joint effort with Music Technology Group at Universitat Pompeu Fabra in Barcelona.

BookBrainz

BookBrainz is an online encyclopedia containing information about published literature. Its aim is to collect and store data about every publication ever written.

ListenBrainz

ListenBrainz is an open source music website that allows users to import their listen history. One of the goals is for this data to be used for building open music recommendation systems.

MessyBrainz

MessyBrainz identifies unclean metadata, and where possible, links it to stable MusicBrainz identifiers. MessyBrainz is currently being used for AcousticBrainz and ListenBrainz.