Thanks for the suggestion
I'll port the effects to X
I'll let you know when it's finished
Commenting here, since I don't see your email address on your page anywhere...You should port these to X so that they can be used as a display mode of xscreensaver. There are already xscreensaver modules that do some of these effects, but not all of them...
An open, cross-platform journaling program.
A scientific plotting package.