The lighting operating system.
Rhythm conducts every smart light in your home onto a circadian curve that follows your sun. Install it on a Mac, a Home Assistant box, a Linux server, or a Raspberry Pi Zero — your choice.
/01 Mac app
Native app for Apple silicon and Intel Macs. Conducts your whole home from the menu bar — set it once.
Download from the Mac App Store 
/02 HA add-on
One-click add-on with ingress support. Auto-configures from HA Supervisor and runs alongside your existing setup.
Add to Home Assistant 
/03 Linux binary
Single static binary. Runs as a systemd service or in Docker. HTTP API on port 8080, mDNS discovery built in.
Download the Linux build 
/04 Raspberry Pi Zero
Flash a 16 GB SD card with the Rhythm Pi image. Plug into power and your home is on a circadian curve.
Flash the Pi Zero image Read the docs
Install guides, configuration reference, integration setup, and API examples for every platform.
rhythm.lighting/docs → IntegrationsWorks with
Philips Hue, Matter, Home Assistant. Bring the bulbs you already own — Rhythm conducts them.
See integrations → ScienceWhy this matters
How light dosing changes cortisol, melatonin, and sleep — and what to do about it tonight.
Read the guides →Set the orbit. Sleep on the sun.