qt4: QT graphical toolkit, version 4
qt4: 
qt4: Qt is a comprehensive development framework that includes 
qt4: an extensive array of features, capabilities and tools 
qt4: that enable development of high-performance, cross-platform 
qt4: rich-client and server-side applications.
qt4: 
qt4: Website: http://trolltech.com/products/qt
qt4: License GNU General Public License, version 2 
qt4: (only for use with open source aplications, commercial
qt4: applications need payed licenses).