head to head · open source
pentagi vs Nettacker
pentagi has 24,708 GitHub stars, 3,177 forks, 71 open issues and last shipped 9 days ago. Nettacker has 5,585 stars, 1,176 forks, 249 open issues and last shipped 6 days ago. pentagi leads on adoption by 342% (24,708 vs 5,585 stars). pentagi is written in Go under MIT; Nettacker is written in Python under Apache-2.0. pentagi has attracted 13% as many forks as stars, Nettacker 21%. Nettacker was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (penetration-testing), 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
| pentagi | Nettacker | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 5.6K |
| License | MIT | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-09-10 | 2026-09-13 |
| Forks | ⑂ 3.2K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pentagi if
- You weight community size — 25K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Nettacker if
- You want the Nettacker feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Nettacker fits your workflow better
About pentagi
PentAGI is an MIT licensed, self hosted multi agent system written in Go that runs fully autonomous AI agents to perform complex penetration testing tasks inside an isolated Docker sandbox, built for information security professionals, researchers, and enthusiasts.
read the full pentagi overview →
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 →
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Frequently asked questions
Is pentagi or Nettacker more popular?
pentagi has 24,708 GitHub stars and Nettacker has 5,585. pentagi has the larger community by that measure.
Are pentagi and Nettacker free?
Both are open source. pentagi is licensed under MIT and Nettacker under Apache-2.0. Neither carries a licence fee.
What is the difference between pentagi and Nettacker?
pentagi is written in Go and Nettacker in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, pentagi or Nettacker?
Choose pentagi if you want the larger community (24,708 stars) or its MIT licence terms. Choose Nettacker if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.