Pure Data

https://puredata.info/docs/tutorials/

https://puredata.info/docs/ResourcesToStartLearning/

https://forum.critterandguitari.com/t/looking-for-some-help-with-pure-data/630

Automatonism
modular synthesiser

https://www.automatonism.com/the-software

https://calcium3000.wordpress.com/2016/10/04/keyboard-keyboard-in-pure-data/

..

1 Master Oscillator 1-4
2nd Osc
3rd Osc
4th Osc

Keytracking
volume drop at higher frequency

soft/hard Sync
knob

wave shapeer
triang square saw morph
knob

..

VCF CUTOFF
VCF RESONANCE
DELAY TIME
DELAY FEEDBACK

LFO PITCH
RATE
LFO VOLUME
RATE