Scribble�s essentially designed to be a friendly way to create cool graphics. It�s scriptable in what I hope is a friendly manner, and can do some reasonably snazzy things. Eventually, I hope it will be able to do many very snazzy things.
Scribble uses the cairo graphics library for rendering the graphcs, and the GTK+ widget toolkit for the graphical user interface. The rendering bit is separated from the GUI, so it�s entirely possible to use it without needing users to install GTK. If this makes it into Hackety, that�s how I imagine it being used.
There are no reported vulnerabilities