tonespace 2

tonespace 2 is a MIDI chorder plug-in.
It’s a different, more intuitive music keyboard, combined with a chorder. It supports over 50 different grids, 14 scales, 18 keys, 30+ chord types and 25 chord voicings. It can function as a VST or Audio Unit plugin, processing incoming MIDI events and/or generating outgoing MIDI. You don’t need to use MIDI though: there is also a standalone executable which contains its own little synth for a fast start.

Audition and play chords while you move the mouse around in a grid-like space, or while using a traditional keyboard.
Discover how chords map onto surprisingly simple geometric shapes in the more advanced spaces.
Use chord-generation algorithms to fit chords to scales and keys automatically.
Trigger chords from monophonic midi input and record the played chords using midi output.