head to head · open source
Docker vs floci
Docker has 72,238 GitHub stars, 19,309 forks, 3,902 open issues and last shipped 2 days ago. floci has 28,962 stars, 3,224 forks, 130 open issues and last shipped yesterday. Docker leads on adoption by 149% (72,238 vs 28,962 stars). Docker is written in Go under Apache-2.0; floci is written in Java under MIT. Docker has attracted 27% as many forks as stars, floci 11%. floci was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | floci | |
|---|---|---|
| GitHub stars | ★ 72K | ★ 29K |
| License | Apache-2.0 | MIT |
| Written in | Go | Java |
| 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 floci if
- You want the floci feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Java
- You evaluated both and floci 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 floci
Any Cloud. Locally. Light, fluffy, and always free No account. No auth token. No feature gates. Just docker compose up . Quick Start · Features · Services · SDKs · Testcontainers · Migration · Docs What is Floci? Floci is a free, open source local AWS emulator for development, testing, and CI. It gives you AWS shaped services on your machine without requiring a cloud account, an auth token, or paid feature gates. Point your AWS SDK, CLI, Terraform, CDK, OpenTofu, or test suite at and keep your existing workflows. Already using LocalStack? Floci is a drop in replacement: swap the image and keep going. See…
read the full floci overview →
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Frequently asked questions
Is Docker or floci more popular?
Docker has 72,238 GitHub stars and floci has 28,962. Docker has the larger community by that measure.
Are Docker and floci free?
Both are open source. Docker is licensed under Apache-2.0 and floci under MIT. Neither carries a licence fee.
What is the difference between Docker and floci?
Docker is written in Go and floci in Java. 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 floci?
Choose Docker if you want the larger community (72,238 stars) or its Apache-2.0 licence terms. Choose floci if its feature set, stack or MIT licence fits better. Both are self-hostable.