head to head · open source
Docker vs rancher
Docker has 72,113 GitHub stars, 19,233 forks, 3,902 open issues and last shipped yesterday. rancher has 25,924 stars, 3,221 forks, 3,371 open issues and last shipped yesterday. Docker leads on adoption by 178% (72,113 vs 25,924 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%. Docker 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 | 2026-09-19 | 2026-09-19 |
| 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
Docker, published here as the Moby Project, is the open source collection of container toolkit components and the framework for assembling them into custom container based systems, built for engineers, integrators and enthusiasts who want to modify, hack and build on container code rather than buy a commercially supported product.
read the full Docker overview →
About rancher
Rancher is an Apache 2.0 licensed, Go based open source container management platform for organizations that deploy containers in production and need to run Kubernetes everywhere while meeting IT requirements and empowering DevOps teams.
read the full rancher overview →
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Frequently asked questions
Is Docker or rancher more popular?
Docker has 72,113 GitHub stars and rancher has 25,924. 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 (72,113 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.