head to head · open source
prowler vs greenlight
prowler has 15,159 GitHub stars, 2,479 forks, 371 open issues and last shipped yesterday. greenlight has 2,458 stars, 148 forks, 4 open issues and last shipped 3 months ago. prowler leads on adoption by 517% (15,159 vs 2,458 stars). prowler is written in Python under Apache-2.0; greenlight is written in Go under MIT. prowler has attracted 16% as many forks as stars, greenlight 6%. prowler 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
| prowler | greenlight | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 2.5K |
| License | Apache-2.0 | MIT |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-08-05 |
| Forks | ⑂ 2.5K | ⑂ 148 |
| 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 greenlight if
- You want the greenlight feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and greenlight 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 greenlight
greenlight Know before you submit. Pre submission compliance scanner for the Apple App Store and Google Play. Greenlight reads your app (source code, privacy manifests, Android manifests and Gradle builds, IPA binaries, App Store Connect metadata) and checks it against Apple's Review Guidelines and Google Play's Developer Program Policies. Every finding cites the rule it comes from. No account, no uploads, no network. A full preflight on a mid size project finishes in single digit milliseconds. A static scan can only prove a flow exists . greenlight verify proves it works : it runs your account deletion, restore…
read the full greenlight overview →
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Frequently asked questions
Is prowler or greenlight more popular?
prowler has 15,159 GitHub stars and greenlight has 2,458. prowler has the larger community by that measure.
Are prowler and greenlight free?
Both are open source. prowler is licensed under Apache-2.0 and greenlight under MIT. Neither carries a licence fee.
What is the difference between prowler and greenlight?
prowler is written in Python and greenlight 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, prowler or greenlight?
Choose prowler if you want the larger community (15,159 stars) or its Apache-2.0 licence terms. Choose greenlight if its feature set, stack or MIT licence fits better. Both are self-hostable.