clutter-gtk: clutter-gtk (GTK Clutter Widget) clutter-gtk: clutter-gtk: Clutter-GTK is a library providing facilities to integrate Clutter clutter-gtk: into GTK+ applications and vice versa. clutter-gtk: clutter-gtk: clutter-gtk: clutter-gtk: Project URL: https://github.com/GNOME/clutter-gtk clutter-gtk: clutter-gtk: clutter-gtk: