COPYING.txt

This is the file COPYING, it gives an overview of the licenses used in the
ZCAD project.

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This software is available under 2 licenses - choose whichever you prefer.
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ALTERNATIVE A - General Public License Version 3.0 License
See GPL-3.0.txt
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ALTERNATIVE B - Mozilla Public License Version 2.0 License
See MPL-2.0.txt
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ALTERNATIVE B is not available for all files, this is specified in the file
header

The ZCAD sources consists of several parts and each part has its own
license. In general, each file contains a header, describing the license of
the file.