head to head · open source
floci vs dagger
floci has 27,815 GitHub stars, 3,110 forks, 130 open issues and last shipped yesterday. dagger has 16,573 stars, 946 forks, 156 open issues and last shipped yesterday. floci leads on adoption by 68% (27,815 vs 16,573 stars). floci is written in Java under MIT; dagger is written in Go under Apache-2.0. floci has attracted 11% as many forks as stars, dagger 6%. dagger was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (devops, 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.
← all 20902 open source comparisons
Side by side
| floci | dagger | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 17K |
| License | MIT | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 946 |
| 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 dagger if
- You want the dagger 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 dagger 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 dagger
Dagger: a better way to ship Dagger is a platform for automating software delivery. It can build, test and ship any codebase, reliably and at scale. Dagger runs locally, in your CI server, or directly in the cloud. Why Dagger? Dagger makes your software delivery programmable , local first , repeatable and observable . Programmable . Shell scripts and proprietary YAML are no longer acceptable for automating software delivery. Dagger provides: a complete execution engine and system API; SDKs for 8 languages; an interactive REPL; a rich ecosystem of reusable modules; and more. Local first . Once you automate a task…
read the full dagger overview →
More in Infrastructure & Operations
Related comparisons
More Cloud Infrastructure Management projects
Compare either of these against the rest of the Cloud Infrastructure Management field.
Frequently asked questions
Is floci or dagger more popular?
floci has 27,815 GitHub stars and dagger has 16,573. floci has the larger community by that measure.
Are floci and dagger free?
Both are open source. floci is licensed under MIT and dagger under Apache-2.0. Neither carries a licence fee.
What is the difference between floci and dagger?
floci is written in Java and dagger 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, floci or dagger?
Choose floci if you want the larger community (27,815 stars) or its MIT licence terms. Choose dagger if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.