app-crypt/eid-mw:
All dialogs are available, by using <pkg>x11-libs/gtk+</pkg>
app-misc/lirc: Include GTK support which enables the use of lirc-setup
dev-db/postgis:
Build graphical interface for shp2pgsql (shp2pgsql-gui)
dev-libs/libdbusmenu: Enable support for GTK+2
dev-qt/qtbase: Build the GTK platform theme plugin
gnome-extra/libgsf: Enable use of gdk in thumbnailer
gui-libs/libdecor: Build GTK plugin
kde-plasma/plasma-meta: Enable Breeze widget style and system settings module for GTK+
media-libs/clutter: Use gdk-pixbuf from <pkg>x11-libs/gtk+</pkg> as image rendering backend
media-libs/libgpod: Enable ArtworkDB support
media-libs/xine-lib:
Build the gdkpixbuf-based image decoder plugin.
media-video/droidcam: Build the <pkg>dev-cpp/gtkmm</pkg>:3.0 client.
net-dns/avahi: Use gtk3 for the avahi utilities to build the avahi-ui-gtk3 library
net-misc/putty: Build the PuTTY client which requires <pkg>x11-libs/gtk+</pkg>. If disabled only the CLI tools puttygen, plink, pscp and psftp will be built
net-misc/youtube-viewer: Install the gtk3 GUI
sci-mathematics/why3: Build the IDE <pkg>x11-libs/gtk+</pkg>
sys-devel/sparse: Build the test-inspect utility (requires <pkg>x11-libs/gtk+</pkg>:3)
sys-power/nvclock: Install the GTK+ based graphical interface
www-client/netsurf: Build GTK3 GUI
x11-misc/lightdm: Pull in the gtk+ greeter
x11-misc/wbar: Enables the gtk-based wbar-config GUI
Local Descriptions (use.local.desc)
app-crypt/eid-mw: All dialogs are available, by using x11-libs/gtk+
app-misc/lirc: Include GTK support which enables the use of lirc-setup
dev-db/postgis: Build graphical interface for shp2pgsql (shp2pgsql-gui)
dev-libs/libdbusmenu: Enable support for GTK+2
dev-qt/qtbase: Build the GTK platform theme plugin
gnome-extra/libgsf: Enable use of gdk in thumbnailer
gui-libs/libdecor: Build GTK plugin
kde-plasma/plasma-meta: Enable Breeze widget style and system settings module for GTK+
media-libs/clutter: Use gdk-pixbuf from x11-libs/gtk+ as image rendering backend
media-libs/libgpod: Enable ArtworkDB support
media-libs/xine-lib: Build the gdkpixbuf-based image decoder plugin.
media-video/droidcam: Build the dev-cpp/gtkmm:3.0 client.
net-dns/avahi: Use gtk3 for the avahi utilities to build the avahi-ui-gtk3 library
net-misc/putty: Build the PuTTY client which requires x11-libs/gtk+. If disabled only the CLI tools puttygen, plink, pscp and psftp will be built
net-misc/youtube-viewer: Install the gtk3 GUI
sci-mathematics/why3: Build the IDE x11-libs/gtk+
sys-devel/sparse: Build the test-inspect utility (requires x11-libs/gtk+:3)
sys-power/nvclock: Install the GTK+ based graphical interface
www-client/netsurf: Build GTK3 GUI
x11-misc/lightdm: Pull in the gtk+ greeter
x11-misc/wbar: Enables the gtk-based wbar-config GUI