ChordworX Pro takes a single note and triggers upto 7 notes to make up complete 
chords/arps.

There are 98 pre made chords including various inversions ranging from standard min/
maj/dominants to diminished and augmented chords.

keys are mapped across 1 octave c1 (36) up 6 Chords (12 chords on 12X version)you can 
have any of the pre made chords on each key or make your own using the user slots 
each chord can be pitched up in semitones or octaves. ChordworX Pro also has a built 
in Arp that will play thru the selected chords.

This plugin works best in modular hosts but can also be used in any host that sends 
midi events to plugins

This is a 30 day demo version

http://www.topazproductions.co.uk