Controlling Modul8 from Ableton Live.
Alias Clips is a Max for Live device that brings the functionality of what are commonly called "alias clips, ghost clips, mirroring" etc.
STITCH by Ned Rush is a step sequencing glitch machine.
Launchpad is a utility that allows for the automatic filtering of messages from the Novation Launchpad into Max/MSP in a convenient format, and allows for lighting feedback to be sent back to the launchpad.
An audio filtering effect for Ableton Live built in Max for Live.
Andreas Mourtzoukos (Saxelectro) introduce you the Saxelectro Max4Live Devices. A collection of M4L plugins who Andreas create especialy for his performances. The page is in continous update.
The Knobulator is here.