OpenMQTTGateway vs Zigbee2MQTT Assistant
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?
OpenMQTTGateway
Bridge for RF, IR, BLE, and sensors to MQTT
VS
Zigbee2MQTT Assistant
Web management UI for Zigbee2MQTT networks
| Feature | OpenMQTTGateway | Zigbee2MQTT Assistant |
|---|---|---|
| Category | Home Automation | Home Automation |
| License | GPL-3.0 | MIT |
| Language | C++ | C# |
| Setup difficulty | Medium | Easy |
| Min. RAM | 64 MB | 128 MB |
| Deployment | bare-metal, binary | docker |
| GitHub stars | ★ 4,073 | ★ 448 |
| First released | 2016 | 2019 |
| Replaces | SmartThings Hub | SmartThings Hub |
Why pick each one
Choose OpenMQTTGateway if…
- Released under the GPL-3.0 license
- Active community (4.1k GitHub stars)
- Written in C++
- Tiny footprint — runs in 64 MB RAM
Choose Zigbee2MQTT Assistant if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Written in C#
Frequently asked questions
Is OpenMQTTGateway or Zigbee2MQTT Assistant better?
Neither is universally better. OpenMQTTGateway has the larger community, while Zigbee2MQTT Assistant is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are OpenMQTTGateway and Zigbee2MQTT Assistant free and open-source?
Yes. OpenMQTTGateway is licensed under GPL-3.0 and Zigbee2MQTT Assistant under MIT. Both can be self-hosted at no software cost.
Can I run OpenMQTTGateway and Zigbee2MQTT Assistant with Docker?
OpenMQTTGateway: check the project docs for container support. Zigbee2MQTT Assistant: yes.
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