Bouncing Nodes is a Max for Live MIDI sequencer to use in Ableton Live.
It consists of 4 bouncing nodes that detonate notes each time they bounce off any of the 4 walls of the square. Therefore, each node has 4 possible notes. You can modify the speed at which the nodes move, you can put it in random mode, you can map the X or Y position of each node to parameters such as velocity, duration, notes or to some external parameter in ableton live. You can even modulate parameters between one node and another!
You will get a Max for Live device to use in Ableton Live.