head to head · open source
trivy vs Cozystack
trivy has 37,961 GitHub stars, 691 forks, 269 open issues and last shipped yesterday. Cozystack has 2,227 stars, 201 forks, 757 open issues and last shipped yesterday. trivy leads on adoption by 1,605% (37,961 vs 2,227 stars). trivy is written in Go under Apache-2.0; Cozystack is written in Go under Apache-2.0. trivy has attracted 2% as many forks as stars, Cozystack 9%. Cozystack was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (hacktoberfest, kubernetes), 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
| trivy | Cozystack | |
|---|---|---|
| GitHub stars | ★ 38K | ★ 2.2K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 691 | ⑂ 201 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick trivy if
- You weight community size — 38K 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 Cozystack if
- You want the Cozystack 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 Cozystack fits your workflow better
About trivy
Trivy is an open source security scanner written in Go and released under the Apache 2.0 license. It is an Aqua Security open source project, hosted at trivy.dev, and it lives in the cloud native and DevSecOps ecosystem alongside container runtimes, Kubernetes clusters, and infrastructure as code tooling. The design separates two ideas: scanners, which describe the classes of security issue Trivy looks for, and targets, which describe where it looks. The README presents the project as a comprehensive and versatile scanner, and the topic list — containers, devsecops, docker, iac, infrastructure as code, kubernetes…
read the full trivy overview →
About Cozystack
Cozystack is a free cloud platform and framework for building clouds inside the Kubernetes ecosystem. It is a CNCF Sandbox Level project originally built and sponsored by Ænix, and it is written in Go under the Apache 2.0 license. The project turns a group of servers into an intelligent infrastructure system that exposes a simple REST API for creating and managing cloud services.
read the full Cozystack overview →
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Frequently asked questions
Is trivy or Cozystack more popular?
trivy has 37,961 GitHub stars and Cozystack has 2,227. trivy has the larger community by that measure.
Are trivy and Cozystack free?
Both are open source. trivy is licensed under Apache-2.0 and Cozystack under Apache-2.0. Neither carries a licence fee.
What is the difference between trivy and Cozystack?
trivy is written in Go and Cozystack 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, trivy or Cozystack?
Choose trivy if you want the larger community (37,961 stars) or its Apache-2.0 licence terms. Choose Cozystack if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.