This software is partly based on the work of
Python Software Foundation (http://www.python.org, License/Copyright)
The authors of Python for Windows Extensions – pywin32
(http://sourceforge.net/projects/pywin32, License/Copyright)
Independent JPEG Group (http://www.ijg.org, License/Copyright)
The authors of libtiff (http://www.libtiff.org, License/Copyright)
The authors of libpng (http://www.libpng.org, License/Copyright)
The authors of the Qt-Frameworks (http://qt.nokia.com/products/,
License/Copyright)
The authors of the Common Unix Printing System (CUPS) (http://www.cups.org,
License/Copyright)
The authors of the XmlRpc library (http://sourceforge.net/projects/xmlrpcpp/,
License/Copyright)
The authors of the argyII color management (http://www.argyllcms.com/,
License/Copyright)
The authors of the JasPer library (http://www.ece.uvic.ca/~mdadams/jasper/,
License/Copyright)
The authors of the ZBar Barcode Readers (http://zbar.sourceforge.net/,
License/Copyright)
The authors of zlib (http://zlib.net/, License/Copyright)
The authors of FreeType Font-Engine (http://www.freetype.org/,
License/Copyright)
The authors of MuPDF Lightweight PDF Renderes (http://www.mupdf.com)
The source code of the parts subject to GPL can be obtained on request.