zenpacklib is by default licensed under the terms of the :ref:`gplv2-license`. The terms of GPLv2 prohibit the redistribution of zenpacklib as part of any software that is not also open source. See :ref:`commercial-license` if you'd like to use zenpacklib in a closed-source ZenPack.
GNU General Public License
zenpacklib is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
zenpacklib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
Zenoss, Inc. can provide zenpacklib under an appropriate commercial license if you are interested in developing a ZenPack, but don't want to release it as open source software. Contact email@example.com for more information.