Home Assistant Operating System vs Mosquitto
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?
Home Assistant Operating System
Embedded operating system optimized for Home Assistant
VS
Mosquitto
Lightweight MQTT message broker
| Feature | Home Assistant Operating System | Mosquitto |
|---|---|---|
| Category | Home Automation | Home Automation |
| License | Apache-2.0 | EPL-2.0 |
| Language | Python | C |
| Setup difficulty | Easy | Easy |
| Min. RAM | 1,024 MB | 64 MB |
| Deployment | one-click, bare-metal | docker, bare-metal |
| GitHub stars | ★ 7,390 | ★ 11,101 |
| First released | 2019 | 2009 |
| Replaces | SmartThings, Hubitat | SmartThings |
Why pick each one
Choose Home Assistant Operating System if…
- Easiest full-featured HA install
- Managed add-ons
Choose Mosquitto if…
- Extremely lightweight
- Rock-solid reliability
- Ubiquitous in smart homes
Frequently asked questions
Is Home Assistant Operating System or Mosquitto better?
Neither is universally better. Mosquitto has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Home Assistant Operating System and Mosquitto free and open-source?
Yes. Home Assistant Operating System is licensed under Apache-2.0 and Mosquitto under EPL-2.0. Both can be self-hosted at no software cost.
Can I run Home Assistant Operating System and Mosquitto with Docker?
Home Assistant Operating System: check the project docs for container support. Mosquitto: yes.
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