OpenVoiceOS vs Zigbee2MQTT
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?
OpenVoiceOS
Open-source voice AI platform and assistant
VS
Zigbee2MQTT
Bridge Zigbee devices to MQTT without vendor hubs
| Feature | OpenVoiceOS | Zigbee2MQTT |
|---|---|---|
| Category | Home Automation | Home Automation |
| License | Apache-2.0 | GPL-3.0 |
| Language | Python | TypeScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 256 MB |
| Deployment | bare-metal, source | docker, bare-metal |
| GitHub stars | ★ 283 | ★ 15,477 |
| First released | 2020 | 2018 |
| Replaces | Amazon Alexa, Google Assistant | SmartThings |
Why pick each one
Choose Zigbee2MQTT if…
- Frees devices from vendor hubs
- Wide device support
- Local control
Frequently asked questions
Is OpenVoiceOS or Zigbee2MQTT better?
Zigbee2MQTT is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider OpenVoiceOS if its specific feature set fits your needs better.
Are OpenVoiceOS and Zigbee2MQTT free and open-source?
Yes. OpenVoiceOS is licensed under Apache-2.0 and Zigbee2MQTT under GPL-3.0. Both can be self-hosted at no software cost.
Can I run OpenVoiceOS and Zigbee2MQTT with Docker?
OpenVoiceOS: check the project docs for container support. Zigbee2MQTT: yes.