Domoticz vs Z-Wave JS UI
A side-by-side comparison of two self-hosted home automation options — licensing, setup difficulty, resource needs, and what each one replaces.
Z-Wave JS UI
Full-featured Z-Wave control panel and MQTT gateway
| Feature | Domoticz | Z-Wave JS UI |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 88 · Excellent | 83 · Excellent |
| Category | Home Automation | Home Automation |
| License | GPL-3.0 | MIT |
| Language | C++ | Vue |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 256 MB |
| Deployment | docker, bare-metal | docker, bare-metal |
| GitHub stars | ★ 3,811 | ★ 1,239 |
| First released | 2012 | 2018 |
| Replaces | SmartThings | SmartThings |
What are Domoticz and Z-Wave JS UI?
Domoticz
Domoticz is a lightweight home automation system for monitoring and configuring various devices like sensors, switches, and meters. It targets users wanting an efficient automation hub on modest hardware. It is deployed via Docker or packages.
- Runs well on low-power hardware
- Supports many sensor protocols
- Scripting and events
- Mobile-friendly UI
Z-Wave JS UI
Z-Wave JS UI is a web interface and MQTT gateway built on the Z-Wave JS driver for managing Z-Wave networks. It exposes devices to home automation platforms and provides a control panel for configuration.
- Z-Wave network management
- MQTT gateway
- Web control panel
- Firmware update support
Domoticz vs Z-Wave JS UI: key differences
Domoticz is written in C++, while Z-Wave JS UI is built with Vue. Licensing differs — GPL-3.0 for Domoticz versus MIT for Z-Wave JS UI. Domoticz is the more established project (first released 2012), while Z-Wave JS UI arrived in 2018. Domoticz has the considerably larger community, at 3,811 GitHub stars versus 1,239.
Why pick each one
Choose Domoticz if…
- Very lightweight
- Good on Raspberry Pi
- Stable
Watch out for
- Dated interface
- Smaller community than Home Assistant
Choose Z-Wave JS UI if…
- Excellent Z-Wave support
- Integrates with Home Assistant
Watch out for
- Requires a Z-Wave controller
- Z-Wave only
Frequently asked questions
Is Domoticz or Z-Wave JS UI better?
Neither is universally better. Domoticz has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Domoticz and Z-Wave JS UI free and open-source?
Yes. Domoticz is licensed under GPL-3.0 and Z-Wave JS UI under MIT. Both can be self-hosted at no software cost.
Can I run Domoticz and Z-Wave JS UI with Docker?
Domoticz: yes. Z-Wave JS UI: yes.