The BookBrainz core data is licensed under the Creative Commons CC0 license. The core data includes the following information:
- Author BBID, aliases, type, begin and end dates, gender and disambiguation comment
- Edition Group BBID, aliases, type and disambiguation comment
- Edition BBID, aliases, begin and end dates, language, status and disambiguation comment
- Publisher BBID, aliases, type, begin and end dates and disambiguation comment
- Work BBID, aliases, languages, type, disambiguation comment
- Relationship ID, type, and entity and text associations
Other publically available data is licensed under the Creative Commons CC BY-SA license. If you have any queries about licensing of the public data, please ask for clarification. Please see the links below for more details about CC0 and CC BY-SA.