Wx, Prima, Tkx. As mentioned earlier, GTK, QT. Some people call DHTML a GUI. WxGlade can generate Perl WX code for you. GUI Loft for Win32::GUI. SpecTCL for Perl TK or TKX I dont remember. GuiBuilder is more modern decendent of SPecTCL, it makes Perl TK and TKX code. Last I checked there is nothing that will produce perl GTK code for you. Glade doesn't do it.