Rack, an open-source virtual modular synthesizer. https://vcvrack.com/ It looks nicer than Pure Data... http://puredata.info/ Perhaps I should give it a try? Buying the PO-35 yesterday and doodling some patterns has made me want to buy the OP-1. Or something else. Perhaps the PO-32. Or both. I am done for, I think. No talent + money + marketing + youtube = new artist wanna-be = me