I'm porting a closed-source app over to Linux from Mac OS 9. I am trying to figure out which would be the best GUI library. I read somewhere that if QT is used, either a commerical license has to be ...

Only two serious choices for a GUI toolkit are left: Qt and GTK. Motif still lives on, but nobody uses it for anything new. When Qt 3.0 was released in October 2001, it was a singificant upgrade and ...