PK PatchKnob

Tracker brain. Modular hands.

PatchKnob is a Windows DAW and modular synthesis lab with tracker and piano-roll sequencing, sampler instruments, VST hosting, Pure Data, Csound, and a Cardinal-style GPU-drawn rack.

CLOCK
SEQ
VCF
OUT

Sequence everything

Tracker columns, piano roll clips, timeline loops, automation lanes, and sampler keyzones live in one project.

Patch it together

Build instruments and effects with VST nodes, rack modules, Pure Data patches, Csound code, and mixer routing.

Built for hacking

Open-source C++/SDL architecture with bridge tooling for Cardinal and VCV-style module ports.