gnome GTK+ is a multi-platform toolkit for creating graphical user interfaces. Offering a complete set of widgets, GTK+ is suitable for projects ranging from small one-off projects to complete application suites. Enable printing via Google Cloud Print. Use x11-misc/colord for color management in printing Use only a gtk3 system without gtk2 via building gtk-update-icon-cache from gtk3 SLOT Enable support for the distro-neutral package manager GUI app-admin/packagekit in application chooser cpe:/a:gtk:gtk%2B