It was originally named XFce after the XForms library. As of Xfce 3, it uses GTK though, so it could be called GTKce, but renaming the project every time you ch

It was originally named XFce after the XForms library. As of Xfce 3, it uses GTK though, so it could be called GTKce, but renaming the project every time you change widget toolkits is probably not a good idea.