Is Domoticz really free?

Yes, Domoticz is 100% free and open source under the GPL-3.0 license. There are no subscriptions, no premium tiers, and no hidden costs. Download it and use it forever.

What hardware does Domoticz support?

Domoticz supports over 150 hardware types including Z-Wave, Zigbee, MQTT, RFXCOM, Philips Hue, 1-Wire, EnOcean, P1 Smart Meters, and many more. Custom hardware can be added via Python plugins.

Can I run Domoticz on a Raspberry Pi?

Yes, Domoticz runs on all Raspberry Pi models, including the Pi Zero. Its lightweight C++ core uses under 50 MB of RAM, making it ideal for low-power devices.

Does Domoticz require a cloud connection?

No. Domoticz runs entirely locally on your own hardware. All data stays on your device, all automations run locally, and no internet connection is required for operation.

How does Domoticz compare to Home Assistant?

Domoticz is significantly lighter (under 50 MB RAM vs 512 MB+), runs on minimal hardware like a Pi Zero, has native Windows support, and offers powerful dzVents scripting. Home Assistant has more integrations but requires more hardware resources and has frequent breaking changes.

Domoticz

Name: Domoticz
Rating: 4.5 (16388 reviews)
Author: Domoticz

Open Source Home Automation — Control Your Smart Home

Download Free Getting Started Guide

Domoticz is a Home Automation System that lets you monitor and configure various devices like: Lights, Switches, various sensors/meters like Temperature, Rain, Wind, UV, Electra, Gas, Water and much more. Notifications/Alerts can be sent to any mobile device.

150+ Supported Devices

14+ Years of Development

16,000+ Community Members

$0 Cost, Forever

Why Domoticz?

The lightweight, stable, and privacy-first smart home platform trusted by thousands worldwide.

Lightweight & Fast

Runs on a Raspberry Pi Zero

Built in C++ for maximum efficiency. Uses under 50 MB of RAM — a fraction of what Python or Java-based alternatives need. Runs on any hardware from a Pi Zero to a full server.

100% Local & Private

No Cloud, No Subscription

All data stays on your hardware. All automations run locally. No cloud accounts, no monthly fees, no vendor lock-in. Your home keeps working even without internet.

Rock-Solid Stability

Over a Decade of Reliability

Set it up once and it just works — for years. No monthly breaking changes, no forced updates that break your automations. Domoticz has been running reliably since 2012.

100% Free & Open Source

Runs on Linux, Windows, Raspberry Pi & Docker

Domoticz runs on all major operating systems and embedded devices. The user-interface is a scalable HTML5 web frontend, automatically adapted for Desktop and Mobile Devices. Privacy-first with full local control — no cloud dependency required.

150+ Supported Smart Home Devices

Hardware: RFXCOM Transceiver, Z-Wave, Zigbee, MQTT, P1 Smart Meter, YouLess Meter, Philips Hue, 1-Wire, EnOcean, and many more
Powerful automation & scripting (dzVents, Lua, Python, Blockly)
Energy monitoring & smart meter support
iPhone / Android push notifications
Auto learning sensors/switches
Share / use external devices
Designed for simplicity

Donations

Donations are more than welcome and will be used to buy new hardware, devices, sensors and hosting
If you like the product or encourage the development, please use the button below.

Get Started in 3 Steps

From download to a working smart home in minutes.

Install

One command on Linux/Raspberry Pi, or download the Windows installer. No containers, no dependencies, no complexity.

curl -sSL install.domoticz.com | sudo bash

Add Hardware

Plug in your Z-Wave stick, Zigbee coordinator, or RFXCOM transceiver. Navigate to Setup > Hardware and select your device. Domoticz auto-discovers sensors and switches.

Automate

Create schedules, sensor triggers, and scripts with dzVents, Blockly, or Lua. Set up push notifications to your phone. Your smart home is live.

Learn More

Explore guides, comparisons, and resources to get the most out of Domoticz.

Domoticz vs Home Assistant

See how Domoticz compares to Home Assistant — lighter, faster, more stable, and with powerful dzVents scripting.

Read the comparison ›

Domoticz on Raspberry Pi

Turn any Raspberry Pi into a smart home hub. Step-by-step setup guide with compatible hardware recommendations.

View the guide ›

Best Open Source Home Automation

Compare Domoticz, Home Assistant, and OpenHAB. Find out why Domoticz is the smart choice for most users.

See the overview ›