Mozilla WebThings Gateway 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?
Mozilla WebThings Gateway
Open gateway for the decentralized web of things
VS
Zigbee2MQTT
Bridge Zigbee devices to MQTT without vendor hubs
| Feature | Mozilla WebThings Gateway | Zigbee2MQTT |
|---|---|---|
| Category | Home Automation | Home Automation |
| License | MPL-2.0 | GPL-3.0 |
| Language | TypeScript | TypeScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | bare-metal, docker | docker, bare-metal |
| GitHub stars | ★ 2,643 | ★ 15,477 |
| First released | 2018 | 2018 |
| Replaces | SmartThings, Google Home | SmartThings |
Why pick each one
Choose Mozilla WebThings Gateway if…
- Open standards-based
- Privacy-focused
Choose Zigbee2MQTT if…
- Frees devices from vendor hubs
- Wide device support
- Local control
Frequently asked questions
Is Mozilla WebThings Gateway or Zigbee2MQTT better?
Neither is universally better. Zigbee2MQTT has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Mozilla WebThings Gateway and Zigbee2MQTT free and open-source?
Yes. Mozilla WebThings Gateway is licensed under MPL-2.0 and Zigbee2MQTT under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Mozilla WebThings Gateway and Zigbee2MQTT with Docker?
Mozilla WebThings Gateway: yes. Zigbee2MQTT: yes.
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