Chord Pitcher is a Max for Live audio effect that can re-pitch a sound to 4 different ratios in real time, to up to four octaves up or down. This can be great to use with any monophonic instrument, synth
The Starter Kit 2 PeRColate by Maxology gives you the possiblity to explore the new physical modeling capabilities in Max 7. The PeRColate objects stem from the Synthesis Toolkit by Perry R. Cook and Gary Scavone, including physical modeling, modal,
jo.PitchShift is a pitch shifter, which is based on the Max internal gizmo object. You can change the pitch of any audio signal within a range of four octaves in either mono (less CPU) or stereo.