head to head · open source
prowler vs OpenPolicy
prowler has 15,159 GitHub stars, 2,479 forks, 371 open issues and last shipped yesterday. OpenPolicy has 165 stars, 8 forks, 0 open issues and last shipped 15 days ago. prowler leads on adoption by 9,087% (15,159 vs 165 stars). prowler is written in Python under Apache-2.0; OpenPolicy is written in TypeScript under Apache-2.0. prowler has attracted 16% as many forks as stars, OpenPolicy 5%. prowler was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | OpenPolicy | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 165 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-10-19 |
| Forks | ⑂ 2.5K | ⑂ 8 |
| 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 OpenPolicy if
- You want the OpenPolicy 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 OpenPolicy fits your workflow better
About prowler
Prowler is the Open Cloud Security Platform trusted by thousands to automate security and compliance in any cloud environment. With thousands of ready to use checks and compliance frameworks, Prowler delivers real time, customizable monitoring and seamless integrations, making cloud security simple, scalable, and cost effective for organizations of any size. The Agentic Cloud Defender Try Prowler Cloud Join our Prowler community! Description Prowler is the world’s most widely used Open Source Cloud Security Platform that automates security and compliance across any cloud environment . With thousands of ready to…
read the full prowler overview →
About OpenPolicy
PolicyStack Open source, AI first primitives for adding privacy policies and consent to your app. One typed config drives your privacy policy, your cookie policy, and the consent that gates the cookies they describe — all rendered directly into your React/Vue/Svelte/Solid/Angular app, never a third party iframe. Homepage Documentation Blog Three building blocks Policy — your privacy and cookie policy as a typed config, rendered as components or Markdown. A Vite plugin compiles it at build time and scans for undeclared third parties. Consent — a headless consent state machine. Sub 4kb core, adapters for React…
read the full OpenPolicy overview →
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Frequently asked questions
Is prowler or OpenPolicy more popular?
prowler has 15,159 GitHub stars and OpenPolicy has 165. prowler has the larger community by that measure.
Are prowler and OpenPolicy free?
Both are open source. prowler is licensed under Apache-2.0 and OpenPolicy under Apache-2.0. Neither carries a licence fee.
What is the difference between prowler and OpenPolicy?
prowler is written in Python and OpenPolicy 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 OpenPolicy?
Choose prowler if you want the larger community (15,159 stars) or its Apache-2.0 licence terms. Choose OpenPolicy if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.