head to head · open source
prowler vs ThreatMapper
prowler has 14,830 GitHub stars, 2,389 forks, 371 open issues and last shipped yesterday. ThreatMapper has 5,321 stars, 631 forks, 144 open issues and last shipped 4 months ago. prowler leads on adoption by 179% (14,830 vs 5,321 stars). prowler is written in Python under Apache-2.0; ThreatMapper is written in TypeScript under Apache-2.0. prowler has attracted 16% as many forks as stars, ThreatMapper 12%. prowler was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (cloudsecurity, compliance, cspm, devsecops), 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 | ThreatMapper | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 5.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-06-01 |
| Forks | ⑂ 2.4K | ⑂ 631 |
| 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 ThreatMapper if
- You want the ThreatMapper feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and ThreatMapper 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 ThreatMapper
ThreatMapper is an open source Cloud Native Application Protection Platform for runtime threat management and attack path enumeration. It operates in the cloud native security ecosystem and targets containers, Kubernetes, serverless platforms, cloud infrastructure, and on premises workloads. The project is Apache 2.0 licensed and written in TypeScript.
read the full ThreatMapper overview →
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Frequently asked questions
Is prowler or ThreatMapper more popular?
prowler has 14,830 GitHub stars and ThreatMapper has 5,321. prowler has the larger community by that measure.
Are prowler and ThreatMapper free?
Both are open source. prowler is licensed under Apache-2.0 and ThreatMapper under Apache-2.0. Neither carries a licence fee.
What is the difference between prowler and ThreatMapper?
prowler is written in Python and ThreatMapper 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 ThreatMapper?
Choose prowler if you want the larger community (14,830 stars) or its Apache-2.0 licence terms. Choose ThreatMapper if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.