head to head · open source
Docker vs rancher
Docker has 72,238 GitHub stars, 19,309 forks, 3,902 open issues and last shipped 2 days ago. rancher has 26,035 stars, 3,227 forks, 3,371 open issues and last shipped yesterday. Docker leads on adoption by 177% (72,238 vs 26,035 stars). Docker is written in Go under Apache-2.0; rancher is written in Go under Apache-2.0. Docker has attracted 27% as many forks as stars, rancher 12%. rancher was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (containers, docker), 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 | rancher | |
|---|---|---|
| GitHub stars | ★ 72K | ★ 26K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-03 | 2026-11-04 |
| Forks | ⑂ 19K | ⑂ 3.2K |
| 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 rancher if
- You want the rancher 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 rancher 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 rancher
Rancher Rancher is an open source container management platform built for organizations that deploy containers in production. Rancher makes it easy to run Kubernetes everywhere, meet IT requirements, and empower DevOps teams. Stable Release v2.15.1 rancher/rancher:v2.15.1 / rancher/rancher:stable Read the full release notes. To get automated notifications of our latest release, you can watch the announcements category in our forums, or subscribe to the RSS feed Quick Start sudo docker run d restart=unless stopped p 80:80 p 443:443 privileged rancher/rancher Open your browser to Installation See…
read the full rancher overview →
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Frequently asked questions
Is Docker or rancher more popular?
Docker has 72,238 GitHub stars and rancher has 26,035. Docker has the larger community by that measure.
Are Docker and rancher free?
Both are open source. Docker is licensed under Apache-2.0 and rancher under Apache-2.0. Neither carries a licence fee.
What is the difference between Docker and rancher?
Docker is written in Go and rancher 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 rancher?
Choose Docker if you want the larger community (72,238 stars) or its Apache-2.0 licence terms. Choose rancher if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.