[CentOS] Cross-platform GUI libraries with drag 'n drop IDEs

Ioannis Vranos wrote:
> OS: CentOS 5.0 x86.
>
> I am a programmer, relatively new to GNU/Linux and am looking for 
> cross platform GUI development, mainly for EL5 and Windows. I have 
> found wxWidgets so far. I prefer drag 'n drop programming IDEs, QT 
> seems to provide this for GNU/Linux, but it isn't free for Windows.
>
> Does anyone know of any decent GUI cross-platform library for EL5 and 
> Windows with a drag 'n drop IDE?

netbeans