Please pardon the self-promotion! As alluded to in this thread,
I now have "Major Malfunction" available, a Mac Pluggo intended for
use in Ableton Live, that mangles, glitches, and otherwise FSU in
your audio stream...
Although it's a regular old Pluggo VST/AU like any other, I've not
gotten the timing to work well in hosts other than Ableton for the
time being. I hope to fix that in the future, though no guarantees!