Black & Orange has released AutoArp, a Rack Extension for Propellerhead Reason.
AutoArp is a music assistant that will help you make music, regardless of your experience level. Easy to start using, yet offering deep customization, it is a powerful toolkit to assist musicians of every type.
AutoArp provides Scale mapping, a Chord Generator and an advanced Arpeggiator with a Step Sequencer.
AutoArp: Make Music!
AutoArp is available for the introductory price of $25 USD / 19 EUR until February 15th, 2013 (regular price $35 USD / 29 EUR).
More information: Black & Orange