Button Card vs EMQX
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?
Button Card
Highly customizable button card for Home Assistant Lovelace
VS
EMQX
Scalable MQTT broker
| Feature | Button Card | EMQX |
|---|---|---|
| Category | Home Automation | Home Automation |
| License | MIT | Apache-2.0 |
| Language | TypeScript | Erlang |
| Setup difficulty | Easy | Medium |
| Min. RAM | 32 MB | 512 MB |
| Deployment | source | docker |
| GitHub stars | ★ 2,476 | ★ 16,599 |
| First released | 2019 | 2026 |
| Replaces | proprietary smart home dashboards | — |
Why pick each one
Choose Button Card if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Active community (2.5k GitHub stars)
- Written in TypeScript
Choose EMQX if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Mature project with 16.6k GitHub stars
- Written in Erlang
Frequently asked questions
Is Button Card or EMQX better?
Neither is universally better. EMQX has the larger community, while Button Card is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Button Card and EMQX free and open-source?
Yes. Button Card is licensed under MIT and EMQX under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Button Card and EMQX with Docker?
Button Card: check the project docs for container support. EMQX: yes.