Ruby/ClutterGDK is a Ruby binding of GDK specific API of Clutter.
gem install clutter-gdk
Copyright (c) 2016 Ruby-GNOME2 Project Team
This program is free software. You can distribute/modify this program under the terms of the GNU LESSER GENERAL PUBLIC LICENSE Version 2.1.
https://developer.gnome.org/clutter/stable/clutter-GDK-Specific-Support.html