MetaBrainz Foundation

Crowd sourced open data projects: MusicBrainz, AcousticBrainz, ListenBrainz, CritiqueBrainz, BookBrainz, Cover Art Archive, …

The MetaBrainz Foundation provides the backbone for a number of projects rooted in crowd sourcing open data, namely:

Primary Open Source License: GNU General Public License version 2.0 (GPL-2.0)

Programming Languages:

  • python
  • perl
  • javascript
  • sql


  • metadata
  • machine learning
  • music
  • books
  • all the data!