ESPHome 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?
| Feature | ESPHome | Mosquitto |
|---|---|---|
| Category | Home Automation | Home Automation |
| License | GPL-3.0 | EPL-2.0 |
| Language | C++ | C |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 64 MB |
| Deployment | docker, bare-metal | docker, bare-metal |
| GitHub stars | ★ 11,505 | ★ 11,101 |
| First released | 2018 | 2009 |
| Replaces | SmartThings | SmartThings |
Why pick each one
Choose Mosquitto if…
- Extremely lightweight
- Rock-solid reliability
- Ubiquitous in smart homes
Frequently asked questions
Is ESPHome or Mosquitto better?
Neither is universally better. ESPHome has the larger community, while Mosquitto is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are ESPHome and Mosquitto free and open-source?
Yes. ESPHome is licensed under GPL-3.0 and Mosquitto under EPL-2.0. Both can be self-hosted at no software cost.
Can I run ESPHome and Mosquitto with Docker?
ESPHome: yes. Mosquitto: yes.