We are now in the download and voting stage the KVR Developer Challenge 2012. This news item features an entry called PIO by Tyapu. You can download it for free here.

Here's what they say about it:

PIO is a synthesizer that features an ADSR, filter MOOG, pitcher, also has a Arpeggiator that is the heart of the synth.

PIO is class exclusive electronic sounds as were the sounds of your games to prinsipio births sounds as computers clasicos.

Pio has 50 song so you can start experimenting.