I think Qt does work well. Gtk isn't terrible either. WxWidgets, Iup, etc are also not bad. They just need either better cross language support (i.e. in C or wi

I think Qt does work well. Gtk isn't terrible either. WxWidgets, Iup, etc are also not bad. They just need either better cross language support (i.e. in C or with C iface) or better maintenance. I've had subpar performance with the more recently developed libui, but I have hopes there too.