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Domoticz vs Home Assistant Operating System

A side-by-side comparison of two self-hosted home automation options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
DO Domoticz Lightweight home automation system VS HO Home Assistant Operating System Embedded operating system optimized for Home Assistant
FeatureDomoticzHome Assistant Operating System
Deploy effortUnder-an-hour setup≈5-minute setup
Health score88 · Excellent91 · Excellent
CategoryHome AutomationHome Automation
LicenseGPL-3.0Apache-2.0
LanguageC++Python
Setup difficultyMediumEasy
Min. RAM256 MB1,024 MB
Deploymentdocker, bare-metalone-click, bare-metal
GitHub stars★ 3,811★ 7,492
First released20122019
ReplacesSmartThingsSmartThings, Hubitat

What are Domoticz and Home Assistant Operating System?

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

Read the full Domoticz guide →

Home Assistant Operating System

Home Assistant Operating System is a minimal embedded OS designed to run the Home Assistant smart home platform with add-on support. It manages updates and add-ons through the Supervisor.

  • Purpose-built OS for HA
  • Add-on store via Supervisor
  • Automatic updates
  • Runs on Pi and x86

Read the full Home Assistant Operating System guide →

Domoticz vs Home Assistant Operating System: key differences

Domoticz is written in C++, while Home Assistant Operating System is built with Python. Licensing differs — GPL-3.0 for Domoticz versus Apache-2.0 for Home Assistant Operating System. Domoticz is the lighter option, starting around 256 MB of RAM against 1,024 MB for Home Assistant Operating System. Domoticz is the more established project (first released 2012), while Home Assistant Operating System arrived in 2019. Domoticz lists first-class Docker deployment; Home Assistant Operating System does not.

Why pick each one

Choose Domoticz if…

  • Very lightweight
  • Good on Raspberry Pi
  • Stable

Watch out for

  • Dated interface
  • Smaller community than Home Assistant
Domoticz details

Choose Home Assistant Operating System if…

  • Easiest full-featured HA install
  • Managed add-ons

Watch out for

  • Takes over the whole device
  • Less general-purpose
Home Assistant Operating System details

Frequently asked questions

Is Domoticz or Home Assistant Operating System better?

Home Assistant Operating System is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Domoticz if its specific feature set fits your needs better.

Are Domoticz and Home Assistant Operating System free and open-source?

Yes. Domoticz is licensed under GPL-3.0 and Home Assistant Operating System under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Domoticz and Home Assistant Operating System with Docker?

Domoticz: yes. Home Assistant Operating System: check the project docs for container support.

Which is lighter on resources, Domoticz or Home Assistant Operating System?

Domoticz has the smaller minimum footprint at 256 MB of RAM, compared to about 1,024 MB for Home Assistant Operating System. Real-world usage depends on library size, user count, and enabled features.

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