Calaos vs SmartHomeNG
A side-by-side comparison of two self-hosted home automation options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Calaos | SmartHomeNG |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 2 · At risk | 73 · Good |
| Category | Home Automation | Home Automation |
| License | GPL-3.0 | GPL-3.0 |
| Language | Shell | Python |
| Setup difficulty | Hard | Hard |
| Min. RAM | 512 MB | 512 MB |
| Deployment | bare-metal | bare-metal, docker |
| GitHub stars | ★ 73 | ★ 127 |
| First released | 2013 | 2013 |
| Replaces | Loxone | Loxone |
What are Calaos and SmartHomeNG?
Calaos
Calaos is a free and open-source home automation platform that includes a server, touchscreen interface, and mobile apps. It targets wired installations and offers a complete local stack.
- Complete local automation stack
- Touchscreen interface
- Mobile apps
- Wired installation focus
SmartHomeNG
SmartHomeNG is a modular home automation framework written in Python with strong support for KNX, plus many other protocols through plugins. It offers logic scripting, visualizations, and database-backed history.
- KNX integration
- Logic scripting engine
- Plugin system
- Visu web frontend
Calaos vs SmartHomeNG: key differences
Calaos is written in Shell, while SmartHomeNG is built with Python. SmartHomeNG lists first-class Docker deployment; Calaos does not.
Why pick each one
Choose Calaos if…
- Polished native UIs
- Fully self-contained
Watch out for
- Small community
- Best suited to wired homes
Choose SmartHomeNG if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Written in Python
- Lightweight — runs in 512 MB RAM
Watch out for
- Steep learning curve
- Mostly German-speaking community
Frequently asked questions
Is Calaos or SmartHomeNG better?
Neither is universally better. SmartHomeNG has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Calaos and SmartHomeNG free and open-source?
Yes. Calaos is licensed under GPL-3.0 and SmartHomeNG under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Calaos and SmartHomeNG with Docker?
Calaos: check the project docs for container support. SmartHomeNG: yes.