Credits

Many thanks to the authors of the 3rd party code used in Imposition Wizard for Acrobat. Here is the list in the alphabetical order.

FreeType Library

FreeType is a freely available software library to render fonts.
Licensed under the BSD-like FreeType license
https://www.freetype.org/index.html

PoDoFo Library

PoDoFo is a library to work with the PDF file format
Licensed under the LGPL
http://podofo.sourceforge.net/

Little CMS

Copyright (c) 2010, 2011 Marti Maria Saguer. All rights reserved.
Little CMS engine is provided free of charge under MIT LICENSE
http://www.littlecms.com/

PDFium

Copyright (c) 2017 PDFium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license.
https://pdfium.goog

Protocol Buffers

Protocol Buffers - Google's data interchange format
Copyright 2008 Google Inc.
http://code.google.com/apis/protocolbuffers/

Qt

The Qt GUI Toolkit is Copyright (C) 2012 Nokia Corporation
and/or its subsidiary(-ies).
Contact: Nokia Corporation (qt-info@nokia.com) 
Qt is available under the LGPL.
http://qt-project.org/doc/qt-4.8/lgpl.html