head to head · open source
tfsec vs attestix
tfsec has 7,041 GitHub stars, 558 forks, 18 open issues and last shipped 6 months ago. attestix has 722 stars, 83 forks, 21 open issues and last shipped 2 days ago. tfsec leads on adoption by 875% (7,041 vs 722 stars). tfsec is written in Go under MIT; attestix is written in Python under Apache-2.0. tfsec has attracted 8% as many forks as stars, attestix 11%. attestix was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (compliance), 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
| tfsec | attestix | |
|---|---|---|
| GitHub stars | ★ 7.0K | ★ 722 |
| License | MIT | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-03-25 | 2026-09-27 |
| Forks | ⑂ 558 | ⑂ 83 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick tfsec if
- You weight community size — 7.0K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick attestix if
- You want the attestix 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 attestix fits your workflow better
About tfsec
tfsec is a static analysis security scanner for Terraform code, written in Go and released under the MIT license. It lives in the infrastructure as code and DevSecOps ecosystem, alongside tools such as linters and CI scanners. The project is now part of Trivy, Aqua Security's broader open source security scanner, and its Terraform scanning engine forms the foundation of Trivy's IaC and misconfiguration scanning capabilities. The repository remains available, but engineering attention is directed at Trivy going forward.
read the full tfsec overview →
About attestix
Attestix is an open source attestation infrastructure for AI agents that provides DID based agent identity, W3C Verifiable Credentials, an EU AI Act compliance layer, delegation chains, and reputation scoring, and it is aimed at teams building or operating autonomous agents that need to prove identity and compliance to another agent, a regulator, or a downstream system.
read the full attestix overview →
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Frequently asked questions
Is tfsec or attestix more popular?
tfsec has 7,041 GitHub stars and attestix has 722. tfsec has the larger community by that measure.
Are tfsec and attestix free?
Both are open source. tfsec is licensed under MIT and attestix under Apache-2.0. Neither carries a licence fee.
What is the difference between tfsec and attestix?
tfsec is written in Go and attestix 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, tfsec or attestix?
Choose tfsec if you want the larger community (7,041 stars) or its MIT licence terms. Choose attestix if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.