head to head · open source
Home Assistant vs OpenCCU
Home Assistant has 91,945 GitHub stars, 39,193 forks, 3,527 open issues and last shipped yesterday. OpenCCU has 1,853 stars, 225 forks, 189 open issues and last shipped 2 days ago. Home Assistant leads on adoption by 4,862% (91,945 vs 1,853 stars). Home Assistant is written in Python under Apache-2.0; OpenCCU is written in JavaScript under Apache-2.0. Home Assistant has attracted 43% as many forks as stars, OpenCCU 12%. Home Assistant was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (home-automation, iot), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Home Assistant | OpenCCU | |
|---|---|---|
| GitHub stars | ★ 92K | ★ 1.9K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | JavaScript |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 39K | ⑂ 225 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Home Assistant if
- You weight community size — 92K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick OpenCCU if
- You want the OpenCCU feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and OpenCCU fits your workflow better
About Home Assistant
Home Assistant Chat Status ================================================================================= Open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Check out home assistant.io for a demo , installation instructions , tutorials and documentation . Featured integrations The system is built using a modular approach so support for other devices or actions can be implemented easily. See also the section on architecture and the section on creating your own components…
read the full Home Assistant overview →
About OpenCCU
Your flexible, cloud free Homematic IP® CCU smart home solution Deutschsprachiges 🇩🇪🇦🇹🇨🇭 ReadMe OpenCCU – formerly known as RaspberryMatic – is a free, non commercial, open source operating system for running a cloud free smart home hub compatible with eQ 3’s Homematic IP and HomeMatic devices. It targets 100% compatibility with the vendor’s CCU3 and can be installed directly on CCU3 and ELV Charly hardware. It also runs on common 64 bit capable SBCs (e.g., Raspberry Pi, Hardkernel ODROID, ASUS Tinkerboard 2/2S) and generic x86 64 or aarch64 hardware. In addition, OpenCCU is available as a pure virtual…
read the full OpenCCU overview →
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Frequently asked questions
Is Home Assistant or OpenCCU more popular?
Home Assistant has 91,945 GitHub stars and OpenCCU has 1,853. Home Assistant has the larger community by that measure.
Are Home Assistant and OpenCCU free?
Both are open source. Home Assistant is licensed under Apache-2.0 and OpenCCU under Apache-2.0. Neither carries a licence fee.
What is the difference between Home Assistant and OpenCCU?
Home Assistant is written in Python and OpenCCU in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Home Assistant or OpenCCU?
Choose Home Assistant if you want the larger community (91,945 stars) or its Apache-2.0 licence terms. Choose OpenCCU if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.