head to head · open source
trivy vs Cozystack
trivy has 38,915 GitHub stars, 818 forks, 269 open issues and last shipped yesterday. Cozystack has 2,381 stars, 216 forks, 757 open issues and last shipped yesterday. trivy leads on adoption by 1,534% (38,915 vs 2,381 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 | ★ 39K | ★ 2.4K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 818 | ⑂ 216 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick trivy if
- You weight community size — 39K 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
[![GitHub Release][release img]][release] [![Test][test img]][test] [![Go Report Card][go report img]][go report] [![License: Apache 2.0][license img]][license] [![GitHub Downloads][github downloads img]][release] ![Docker Pulls][docker pulls] [📖 Documentation][docs] Trivy ([pronunciation][pronunciation]) is a comprehensive and versatile security scanner. Trivy has scanners that look for security issues, and targets where it can find those issues. Targets (what Trivy can scan): Container Image Filesystem Git Repository (remote) Virtual Machine Image Kubernetes Scanners (what Trivy can find there): OS packages…
read the full trivy overview →
About Cozystack
Cozystack Cozystack is a free platform and framework for building clouds. Cozystack is a CNCF Sandbox Level Project that was originally built and sponsored by Ænix. With Cozystack, you can transform a bunch of servers into an intelligent system with a simple REST API for spawning Kubernetes clusters, Database as a Service, virtual machines, load balancers, HTTP caching services, and other services with ease. Use Cozystack to build your own cloud or provide a cost effective development environment. Use Cases Using Cozystack to build a public cloud You can use Cozystack as a backend for a public cloud Using…
read the full Cozystack overview →
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Frequently asked questions
Is trivy or Cozystack more popular?
trivy has 38,915 GitHub stars and Cozystack has 2,381. 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 (38,915 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.