head to head · open source
Docker vs CasaOS
Docker has 72,241 GitHub stars, 19,301 forks, 3,902 open issues and last shipped today. CasaOS has 37,566 stars, 2,223 forks, 833 open issues and last shipped 1 months ago. Docker leads on adoption by 92% (72,241 vs 37,566 stars). Docker is written in Go under Apache-2.0; CasaOS is written in Go under Apache-2.0. Docker has attracted 27% as many forks as stars, CasaOS 6%. Docker was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (docker, golang), 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
| Docker | CasaOS | |
|---|---|---|
| GitHub stars | ★ 72K | ★ 38K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-05 | 2026-09-28 |
| Forks | ⑂ 19K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Docker if
- You weight community size — 72K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick CasaOS if
- You want the CasaOS feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and CasaOS fits your workflow better
About Docker
The Moby Project ================ Moby is an open source project created by Docker to enable and accelerate software containerization. It provides a "Lego set" of toolkit components, the framework for assembling them into custom container based systems, and a place for all container enthusiasts and professionals to experiment and exchange ideas. Components include container build tools, a container registry, orchestration tools, a runtime and more, and these can be used as building blocks in conjunction with other tools and projects. Principles Moby is an open project guided by strong principles, aiming to be…
read the full Docker overview →
About CasaOS
CasaOS Your Personal Cloud Connect with the community, establish autonomy, reduce the cost of SaaS, and MAXIMIZE the potential for a personalized copilot. Website Demo GitHub Why do you need Personal Cloud? In 2020, the team noticed three important trends: The cost of computing power and storage was decreasing fast. A part of cloud computing was moving towards edge computing. The issue of consumer data asset ownership and attribution had been ignored. Based on these trends, the team proposed a thought experiment internally: what if personal clouds were available under $100 in next five years? This personal cloud…
read the full CasaOS overview →
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Frequently asked questions
Is Docker or CasaOS more popular?
Docker has 72,241 GitHub stars and CasaOS has 37,566. Docker has the larger community by that measure.
Are Docker and CasaOS free?
Both are open source. Docker is licensed under Apache-2.0 and CasaOS under Apache-2.0. Neither carries a licence fee.
What is the difference between Docker and CasaOS?
Docker is written in Go and CasaOS in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Docker or CasaOS?
Choose Docker if you want the larger community (72,241 stars) or its Apache-2.0 licence terms. Choose CasaOS if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.