head to head · open source
floci vs OpenStack
floci has 27,815 GitHub stars, 3,110 forks, 130 open issues and last shipped yesterday. OpenStack has 6,072 stars, 1,625 forks, 1 open issues and last shipped yesterday. floci leads on adoption by 358% (27,815 vs 6,072 stars). floci is written in Java under MIT; OpenStack is written in Python under Apache-2.0. floci has attracted 11% as many forks as stars, OpenStack 27%. floci was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| floci | OpenStack | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 6.1K |
| License | MIT | Apache-2.0 |
| Written in | Java | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 1.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick floci if
- You weight community size — 28K stars and counting
- You want the MIT license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick OpenStack if
- You want the OpenStack feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and OpenStack fits your workflow better
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 →
About OpenStack
OpenStack ========= OpenStack is a collection of interoperable components that can be deployed to provide computing, networking and storage resources. Those infrastructure resources can then be accessed by end users through programmable APIs. This repository just represents OpenStack as a collection of git submodules. You can find the repositories for individual components at: You can learn more about the various components in OpenStack at: To learn more about how to contribute to OpenStack, please head to our Contributor portal: To learn more about how OpenStack is governed, you can visit: Why this repository ?…
read the full OpenStack overview →
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Frequently asked questions
Is floci or OpenStack more popular?
floci has 27,815 GitHub stars and OpenStack has 6,072. floci has the larger community by that measure.
Are floci and OpenStack free?
Both are open source. floci is licensed under MIT and OpenStack under Apache-2.0. Neither carries a licence fee.
What is the difference between floci and OpenStack?
floci is written in Java and OpenStack in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, floci or OpenStack?
Choose floci if you want the larger community (27,815 stars) or its MIT licence terms. Choose OpenStack if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.