Anything related to <a href="https://musicbrainz.org/">MusicBrainz</a> goes here. Tell us about releases you're particularly proud of having added, edits you're finding troublesome, any editors you think are doing an amazing job, that little hidden part of the site that it seems like no one else but you have ever been to, etc.
For any and all talk and questions about <a href="https://picard.musicbrainz.org/">MusicBrainz Picard</a>. Be sure to check the <a href="https://picard.musicbrainz.org/docs/faq/">Picard FAQ</a> before posting, but other than that, go ahead and post your questions, suggestions, favourite tagger script or naming scheme, or let us know what <a href="https://picard.musicbrainz.org/plugins/">Picard plugin</a> you couldn't live without!
BookBrainz is a database of literature metadata. This category is for announcements from developers, discussions about the future direction of BookBrainz and questions from users.
AcousticBrainz is a platform for sharing acoustic feature information and other data created from it. Use this category to ask questions about how to use the data, propose new features, or discuss other signal-processing topics.
This is the category for generic <a href="https://metabrainz.org/">MetaBrainz</a> related topics, including topics for projects that do not currently have their own category. Note that you can reach all of the MetaBrainz employees using <a class="mention-group" href="/groups/MetaBrainz">@MetaBrainz</a>.
Discussion about this site ("community.metabrainz.org"), its organization, how it works, and how we can improve it. Tips and tricks are also welcome!