head to head · open source
Home Assistant vs domoticz
Home Assistant has 90,832 GitHub stars, 38,710 forks, 3,527 open issues and last shipped yesterday. domoticz has 3,810 stars, 1,160 forks, 24 open issues and last shipped 4 days ago. Home Assistant leads on adoption by 2,284% (90,832 vs 3,810 stars). Home Assistant is written in Python under Apache-2.0; domoticz is written in C++ under GPL-3.0. Home Assistant has attracted 43% as many forks as stars, domoticz 30%. Home Assistant was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (home-automation, iot, mqtt, python), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Home Assistant | domoticz | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 3.8K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | C++ |
| Last push | 2026-09-19 | 2026-09-16 |
| Forks | ⑂ 39K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Home Assistant if
- You weight community size — 91K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick domoticz if
- You want the domoticz feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches C++
- You evaluated both and domoticz fits your workflow better
About Home Assistant
Home Assistant is an open source home automation platform that runs locally on devices such as Raspberry Pi or a personal server. It enables users to control and automate smart home devices—including lights, thermostats, locks, and sensors—without relying on cloud services. Built in Python with an asyncio event loop, it emphasizes local processing and data sovereignty, ensuring all device data remains under the user’s control.
read the full Home Assistant overview →
About domoticz
Domoticz is free open source home automation system for Linux, Windows, macOS, FreeBSD, Raspberry Pi, ARM boards. It monitors and controls lights, switches, sensors for temperature, rain, wind, UV, energy, gas, water. It lives in IoT and home automation ecosystem, using HTML5 web frontend and hardware integrations such as Z Wave, Zigbee, MQTT, Philips Hue, RFXCOM. It is written in C++ and licensed GPL 3.0.
read the full domoticz overview →
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Frequently asked questions
Is Home Assistant or domoticz more popular?
Home Assistant has 90,832 GitHub stars and domoticz has 3,810. Home Assistant has the larger community by that measure.
Are Home Assistant and domoticz free?
Both are open source. Home Assistant is licensed under Apache-2.0 and domoticz under GPL-3.0. Neither carries a licence fee.
What is the difference between Home Assistant and domoticz?
Home Assistant is written in Python and domoticz in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Home Assistant or domoticz?
Choose Home Assistant if you want the larger community (90,832 stars) or its Apache-2.0 licence terms. Choose domoticz if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.