v1.0.0 — Public Launch

PatchGlow is a visual modular synthesizer in your browser. Patch modules together, play notes, and see your sound.

Highlights

16 modules with real-time visualizations — Oscillator, Filter, VCA, Envelope, LFO, Mixer, Keyboard, Output, Noise, Delay, Reverb, Distortion, Sample & Hold, Sequencer, Drum Synth, Quantizer
Signal-reactive patch cables — cables glow and deform based on the audio, CV, or gate signal flowing through them
Signal probes — click any cable to inspect the live waveform and spectrum
7 demo patches — progressive presets from First Light (single oscillator) to Beat Lab (full drum machine)
Drum Synth with synthesized kick/snare/hat and built-in 16-step sequencer
Quantizer with piano keyboard visualization and scale selection
Module controls — OFF, BYPASS, SOLO, HELP on every module
Cable display modes — Clean / Subtle / Full (C key to cycle)
Undo/redo, autosave, and URL-based patch sharing
Fully browser-based — no install, no plugins

git clone https://github.com/varactor-dev/patchglow.git
cd patchglow
npm install
npm run dev

Or visit patchglow.app to try it instantly.