head to head · open source
floci vs robusta
floci has 24,751 GitHub stars, 2,682 forks, 130 open issues and last shipped yesterday. robusta has 3,099 stars, 325 forks, 204 open issues and last shipped 5 days ago. floci leads on adoption by 699% (24,751 vs 3,099 stars). floci is written in Java under MIT; robusta is written in Python under MIT. floci has attracted 11% as many forks as stars, robusta 10%. floci 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.
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Side by side
| floci | robusta | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 3.1K |
| License | MIT | MIT |
| Written in | Java | Python |
| Last push | 2026-09-20 | 2026-09-16 |
| Forks | ⑂ 2.7K | ⑂ 325 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick floci if
- You weight community size — 25K stars and counting
- You want the MIT license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick robusta if
- You want the robusta feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and robusta fits your workflow better
About floci
Floci is a free, MIT licensed, open source local AWS emulator that gives developers, testers, and CI pipelines AWS shaped services on their own machine without a cloud account, an auth token, or paid feature gates.
read the full floci overview →
About robusta
Robusta is an open source alerting and monitoring project for Kubernetes, written in Python and released under the MIT license. The repository contains Robusta Classic, a rule based alert enrichment engine that connects to Prometheus through a webhook and adds operational context to alerts. It lives in the Kubernetes monitoring ecosystem and is compatible with kube prometheus stack, Prometheus Operator, and other Prometheus based setups.
read the full robusta overview →
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Frequently asked questions
Is floci or robusta more popular?
floci has 24,751 GitHub stars and robusta has 3,099. floci has the larger community by that measure.
Are floci and robusta free?
Both are open source. floci is licensed under MIT and robusta under MIT. Neither carries a licence fee.
What is the difference between floci and robusta?
floci is written in Java and robusta 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 robusta?
Choose floci if you want the larger community (24,751 stars) or its MIT licence terms. Choose robusta if its feature set, stack or MIT licence fits better. Both are self-hostable.