this is 8 voice polyphonic version of LowBitMonoSyn.
added filter

the oscilator wave is low bit. and this has many modulations.

2 OSC(8bit sine wave, Pulse 3:1, pulse 1:1, pulse 1:7, 4bit tri, 4bit saw, 4bit noise, noise like family computer)
Pitch(Pitch and Fine), Env modulation, Lfo modulation, osc2>osc1(fm), osc2 feedback
2 LFO(only tri wave but 4bit)
1 LPF(cutoff, resonance, Lfo modulation, Env modulation, Filter Bypass/BIT(bypass, 12BIT, 8BIT, 4BIT))

There is a portamento and volume control

all controls are on the panel.
window is resizable.

Mac OSX(32bit/64bit Universal Binary) and Windows32bit(not XP)/64bit
tested on Mac OSX 10.14.6 and Windows10