head to head · open source
prowler vs Comp AI
prowler has 14,830 GitHub stars, 2,389 forks, 371 open issues and last shipped yesterday. Comp AI has 1,968 stars, 415 forks, 36 open issues and last shipped 9 days ago. prowler leads on adoption by 654% (14,830 vs 1,968 stars). prowler is written in Python under Apache-2.0; Comp AI is written in TypeScript under AGPL-3.0. prowler has attracted 16% as many forks as stars, Comp AI 21%. prowler was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (compliance, gdpr), 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
| prowler | Comp AI | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 2.0K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-09-09 |
| Forks | ⑂ 2.4K | ⑂ 415 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick prowler if
- You weight community size — 15K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Comp AI if
- You want the Comp AI feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and Comp AI fits your workflow better
About prowler
Prowler is an Apache 2.0, Python based open source cloud security platform that automates security and compliance assessments across AWS, Azure, and Google Cloud through thousands of ready to use checks, aimed at cloud security, compliance, and DevSecOps teams that need continuous posture management without a commercial licence.
read the full prowler overview →
About Comp AI
Comp AI is an open source compliance platform written in TypeScript and released under the AGPL 3.0 license. It is positioned as an AI native alternative to paid compliance products such as Vanta and Drata, and it targets companies that need audit ready coverage for SOC 2, ISO 27001, HIPAA, and GDPR. The project lives in the Next.js, Prisma, and Auth.js ecosystem, with a cloud hosted option and a self hostable codebase.
read the full Comp AI overview →
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Frequently asked questions
Is prowler or Comp AI more popular?
prowler has 14,830 GitHub stars and Comp AI has 1,968. prowler has the larger community by that measure.
Are prowler and Comp AI free?
Both are open source. prowler is licensed under Apache-2.0 and Comp AI under AGPL-3.0. Neither carries a licence fee.
What is the difference between prowler and Comp AI?
prowler is written in Python and Comp AI in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, prowler or Comp AI?
Choose prowler if you want the larger community (14,830 stars) or its Apache-2.0 licence terms. Choose Comp AI if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.