head to head · open source
pentagi vs rengine
pentagi has 24,839 GitHub stars, 3,198 forks, 71 open issues and last shipped 12 days ago. rengine has 8,852 stars, 1,344 forks, 164 open issues and last shipped yesterday. pentagi leads on adoption by 181% (24,839 vs 8,852 stars). pentagi is written in Go under MIT; rengine is written in HTML under GPL-3.0. pentagi has attracted 13% as many forks as stars, rengine 15%. rengine 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 | rengine | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 8.9K |
| License | MIT | GPL-3.0 |
| Written in | Go | HTML |
| Last push | 2026-09-10 | 2026-09-21 |
| Forks | ⑂ 3.2K | ⑂ 1.3K |
| 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 rengine if
- You want the rengine feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches HTML
- You evaluated both and rengine 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 rengine
reNgine is an open source automated reconnaissance framework for web applications, built for penetration testers, bug bounty hunters and corporate security teams who need a configurable, repeatable recon process with the results correlated and stored in one place.
read the full rengine overview →
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Frequently asked questions
Is pentagi or rengine more popular?
pentagi has 24,839 GitHub stars and rengine has 8,852. pentagi has the larger community by that measure.
Are pentagi and rengine free?
Both are open source. pentagi is licensed under MIT and rengine under GPL-3.0. Neither carries a licence fee.
What is the difference between pentagi and rengine?
pentagi is written in Go and rengine in HTML. 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 rengine?
Choose pentagi if you want the larger community (24,839 stars) or its MIT licence terms. Choose rengine if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.