Here’s a weird little thing that stretches and squashes your signal in ways that..well, are just weird.
“Scrubby goes zipping around through time. Speeding up or slowing down playback, moving backwards or forwards, Scrubby does whatever it takes to reach its destinations on time. If necessary, you can discipline Scrubby by using pitch constraint control, and of course you have a choice between robot mode and DJ mode.”
Available for Mac and Windows.