Inspired by the popular Kutiman youtube mashups you can watch here: thru-you.com
I was so blown away by these videos I was inspired to develop this application: 64 (Video) Fingers. I designed it with live performance in mind.
Modded from an existing app by Dovemouse called 64 Fingers, you trigger video and audio clips with the monome. Also with the ability to layer multiple patterns on top of one another and cut back and forth between.
You can download it here for free: monome.org