We’re in the process of updating the documentation for Zotero 5.0. Some documentation may be outdated in the meantime. Thanks for your understanding.
Unless otherwise indicated, the source code of the Zotero project is released under the GNU Affero General Public License (version 3).
The contents of the Zotero wiki is released under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0) license.