I've been working with various versions of this for a while now, and it saves me a lot of time so I thought I would share.
a collection of waveshaping functions and demos, requires Max 6.0.4 or later. - update, v.
Here is my port of the Moog ladder filter written using gen~ (Max 6 only).
An object for latching on to data streams once a specified number is reached.
Flexible realtime timestretching and pitchshifting with a granular engine in Max/MSP.
I wrapped Tim Kreger's p5 glove code in a Max external a while ago.
A modular performance/sound design/composition tool, inspired by and building upon Leafcutter John's Framework patch.
This video tool uses dark areas in a picture to generate gridshape-spheres with the jit.gl.multilpe object.
This tool generates chords and you are able to record the midi sequence with the recorder 1.