Open Source Distribution


Open Source licensed under the GNU Lesser General Public License v.3.0.

All use of this Software is subject to the terms and conditions of the Polydevs license agreement accepted upon installation of this Software and packaged with the Software.


Third-Party Software Credits and Attributions

Copyright (C) 2015 Qt Company.

This Polydevs software contains Qt v5.6.2/v5.8.0. Qt is licensed under the GNU Lesser General Public License v3.0, which can be found at A text copy of this license is included on the DVD or with the download of this Polydevs software. You may obtain a copy of the source code for Qt v5.6.2/v5.8.0 from or by sending a written request to:
UnionTech, Inc
Algorithm Department
Room 102, 40 Building, No. 258 Xinzhuan Rd., Songjiang High Science & Technology Park, Caohejing Developing Zone, Shanghai (201612)

Your written request must:

  1. Contain a self-addressed CD/DVD mailer (or envelope sufficiently large to hold a DVD) with sufficient postage to cover the amount of the current China Post Office First Class postage rate for CD/DVD mailers from Shanghai to your indicated address.
  2. Identify:
    a.    The software name and release number
    b.    That you are requesting the source code for Qt v5.6.2/v5.8.0
    c.    The above URL (

So that UnionTech may properly respond to your request. The offer to receive this Qt source code via the above URL ( or by written request to UnionTech is valid for a period of three years from the date you purchased your license to this Polydevs software.

You may modify, debug and relink Qt to this Polydevs software as provided under the terms of the GNU Lesser General Public License v3.0.

Qt 5.8.0

Qt 5.6.2

Embree 3.0.0
Copyright (C) 2004 Apache Software Foundation.

Embree is released as Open Source under the Apache 2.0 license, which can be found at


Copyright (C) 1995-2004 Jean-loup Gailly and Mark Adler.

Version 1.2.2, October 3rd, 2004.

zlib.h — interface of the ‘zlib’ general purpose compression library.

This software is provided ‘as-is’, without any express or implied warranty.  In no event will the authors be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.


Copyright (c) 1998-2018 The OpenSSL Project.

The OpenSSL license is found at