This software was developed with the Free Edition of Qt, themulti-platform C++ Graphical User Interface toolkit. Qt is a product of Troll Tech (see http://www.trolltech.com).  Qt isreleased in two different editions:- The Qt Free Edition, which may be used free of charge for developing  free software on X11. This version is available  for download from  http://www.trolltech.com/products/download/freelicense/qtfree-dl.html  and is used by this program.- The Qt Professional Edition, which may be used to develop  commercial/proprietary software on X11 and Microsoft Windows. For  pricing and availability of the Professional Edition, please see  http://www.trolltech.com/pricing.html or contact Troll Tech at  sales@trolltech.comFor further information about Qt, please see the Troll Tech web site:http://www.trolltech.com or contact Troll Tech at info@trolltech.com