KPTronix experience in designing hand-held devices has helped in the development of GUI’s for various embedded systems. The expertise gained has aided the software team in using open source libraries like QT, NanoX, GTK, FLTK and various scripting languages for developing a range of GUIs for embedded systems. These libraries are used to develop a Graphical User Interface for normal LCD displays and touch screen interfaces. The operating Systems used include Android, VxWorks, QNX, Nucleus, WinCE, PocketPC and Embedded Linux.