Noisie – Free VST Oscillator Synth Instrument Noisie is a free VST 3 oscillator synth instrument. All 3 oscillators have a shaper and a clipper.These are distortion effects. You can distort the oscillators so much that it becomes almost a Noise. That’s why it’s called Noisie. There are 2 versions of this synth a 3 note poly and one 6 poly.