The following third-party software may be used or distributed in the components included with the Program:

Expat (https://libexpat.github.io/)
Authors: James Clark, Thai Open Source Software Center Ltd.
License: Expat is distrubted under the MIT License (https://github.com/libexpat/libexpat/blob/master/expat/COPYING)
Download: https://github.com/libexpat/libexpat/

zlib (http://zlib.net)
Authors: Jean-loup Gailly and Mark Adler.
License: zlib is distributed under the zlib License (http://zlib.net/zlib_license.html)
Download: http://zlib.net/

TRE (https://github.com/laurikari/tre)
Authors: Ville Laurikari.
License: GNU Lesser General Public License Version 2.1 (https://github.com/laurikari/tre/blob/d4b5ec52e93862074f98fef7ef7037e25411bcae/LICENSE)

ODA Teigha (https://www.opendesign.com)
Authors: Open Design Aliance.
License: This application incorporates Teigha(R) software pursuant to a license agreement with Open Design Alliance.
Teigha(R) Copyright (C) 2003-2019 by Open Design Alliance. All rights reserved.

dwfToolkit (https://www.autodesk.com)
Authors: Autodesk, Inc.
License: The dwfToolkit's specific license agreement is included in its documentation. See the download below.
Download: http://download.autodesk.com/esdr/dwftoolkit/DWFToolkit-7.7-src.zip?_ga=2.144918708.1883379956.1567693063-417135452.1566928388