==========
 * embree
 * oneTBB
   Copyright Intel
   Apache License Version 2.0

==========
 * opennurbs
   Copyright (c) 1993-2013 Robert McNeel & Associates
   see opennurbs_20130711/readme.txt

==========
 * librply
   Copyright © 2003-2015 Diego Nehab.
   MIT License

==========
 * SIMDxorshift
   https://github.com/lemire/SIMDxorshift
   Apache License Version 2.0

==========
 * libgd
   see libgd-gd-2.3.1/COPYING and CONTRIBUTORS

==========
 * libtiff
   Copyright (c) 1988-1997 Sam Leffler
   Copyright (c) 1991-1997 Silicon Graphics, Inc.
   see libtiff-3.9.4/README

==========
 * libpng
   see libpng-1.5.1/LICENSE

==========
 * zlib
   (C) 1995-2017 Jean-loup Gailly and Mark Adler
   see zlib-1-2-11/zlib/README

==========
 * tinyexr
   Copyright (c) 2014 - 2021, Syoyo Fujita and many contributors.
   3-Clause BSD License

==========
 * yyjson
   Copyright (c) 2020 YaoYuan <ibireme@gmail.com>
   MIT License

==========
 * thpool
   Johan Hanssen Seferidis
   MIT License

==========
 * MIST
   Copyright (c) 2003-2010, MIST Project, Nagoya University
   3-Clause BSD License
