head to head · open source
android vs OpenCCU
android has 4,021 GitHub stars, 1,132 forks, 458 open issues and last shipped 2 days ago. OpenCCU has 1,853 stars, 225 forks, 189 open issues and last shipped 2 days ago. android leads on adoption by 117% (4,021 vs 1,853 stars). android is written in Kotlin under Apache-2.0; OpenCCU is written in JavaScript under Apache-2.0. android has attracted 28% as many forks as stars, OpenCCU 12%. android was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (home-automation), 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
| android | OpenCCU | |
|---|---|---|
| GitHub stars | ★ 4.0K | ★ 1.9K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Kotlin | JavaScript |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 1.1K | ⑂ 225 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick android if
- You weight community size — 4.0K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Kotlin
- 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 android
Home Assistant Companion for Android Welcome to the Home Assistant Companion for Android ! This is the official Android app for Home Assistant, a powerful open source home automation platform. Join us in building an app used by millions of users worldwide. Features Control Your Smart Home : Seamlessly interact with your Home Assistant instance. Native Android Experience : Leverage Android specific features like widgets, notifications, and location tracking. Customizable : Tailor the app to your needs with themes, dashboards, and more. Open Source : Contribute to a project that empowers users to take control of…
read the full android 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 android or OpenCCU more popular?
android has 4,021 GitHub stars and OpenCCU has 1,853. android has the larger community by that measure.
Are android and OpenCCU free?
Both are open source. android is licensed under Apache-2.0 and OpenCCU under Apache-2.0. Neither carries a licence fee.
What is the difference between android and OpenCCU?
android is written in Kotlin 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, android or OpenCCU?
Choose android if you want the larger community (4,021 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.