J74 Progressive - A Max for Live tool set for Chord Progression and Harmonic Editing in Ableton Live
Very impressed with J74 Progressive, the tool is very well thought out and has many layers of features (including the Chord Explorer which translates individual MIDI notes to chords and not only was this a bonus to find within this tool, J74 has built this in a way that offers many different chord variations and is very easy to use [including built in mappings for the Novation Launchpad and standard piano keyboards]).
http://fabriziopoce.com/progressive.html
check out my comparison with other software: • Chord Progression Software Review of 3 of ...