Qt AS A TOOLKIT
Qt is basically a cross-platform application development framework produced by the Norwegian company Trolltech which is widely used in GUI programs development Qt is most mostly used in KDE, Qtopia and OPIE.
It uses standard C++ but extends the language by providing an additional pre-processor It can also be used by programmers using other languages. Their binding exists for Python, Ruby , PHP, C, Perl, Pascal, and Java and runs on all major platforms, and also has extensive support which is internationalized completely
