head to head · open source
Nettacker vs dockle
Nettacker has 5,596 GitHub stars, 1,181 forks, 249 open issues and last shipped 2 days ago. dockle has 3,295 stars, 167 forks, 53 open issues and last shipped 1 months ago. Nettacker leads on adoption by 70% (5,596 vs 3,295 stars). Nettacker is written in Python under Apache-2.0; dockle is written in Go under Apache-2.0. Nettacker has attracted 21% as many forks as stars, dockle 5%. Nettacker 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
| Nettacker | dockle | |
|---|---|---|
| GitHub stars | ★ 5.6K | ★ 3.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-09-18 | 2026-08-10 |
| Forks | ⑂ 1.2K | ⑂ 167 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Nettacker if
- You weight community size — 5.6K 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 dockle if
- You want the dockle feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and dockle fits your workflow better
About Nettacker
OWASP Nettacker is an open source, Python based automated penetration testing and information gathering framework for cyber security professionals and ethical hackers who need to run reconnaissance, vulnerability assessment, and network security audits efficiently.
read the full Nettacker overview →
About dockle
Dockle is an open source container image linter written in Go that audits already built Docker images against security and best practice checkpoints, aimed at developers and DevSecOps teams who ship containers and want that audit to run automatically.
read the full dockle overview →
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Frequently asked questions
Is Nettacker or dockle more popular?
Nettacker has 5,596 GitHub stars and dockle has 3,295. Nettacker has the larger community by that measure.
Are Nettacker and dockle free?
Both are open source. Nettacker is licensed under Apache-2.0 and dockle under Apache-2.0. Neither carries a licence fee.
What is the difference between Nettacker and dockle?
Nettacker is written in Python and dockle 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, Nettacker or dockle?
Choose Nettacker if you want the larger community (5,596 stars) or its Apache-2.0 licence terms. Choose dockle if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.