PureData

FreeSoftware DataFlow system for audio processing and building virtual synths.

http://puredata.info/

PureData in a VST? YES!!! Now, from PlugData

Previously. https://github.com/pierreguillot/Camomile

But use PlugData

Compile Pure Data patches into C with the Heavy Compiler : https://github.com/enzienaudio/hvcc

Online here : https://www.rebeltech.org/2018/09/12/compile-pure-data-patches-with-free-online-heavy-compiler/

GatesOfDawn is my PythonLanguage library for people who want to build synths in PD but do it programmatically.