Glade is a free user interface builder for GTK+ released under
the GNU General Public License (GPL).  (GTK+, which stands for
the Gimp ToolKit, is a library for creating graphical user
interfaces for the X Window System.  See http://www.gtk.org/)

This is the GTK2-only version of Glade. If you would like to have GNOME
support in glade, try devel/glade2 .