7-Zip
~~~~~
License for use and distribution
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7-Zip Copyright (C) 1999-2016 Igor Pavlov.

The 7-Zip self-extracting module used by the installer is licensed under the
GNU Lesser General Public License, version 2.1 or (at your option) any later
version.

This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at your option) any
later version.

This library 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 Lesser General Public License for more
details.

The complete 7-Zip license notice supplied with version 16.04 states that 7-Zip
may be used on any computer, including computers in a commercial organization,
without registration or payment.