head to head · open source
rengine vs Pentest-Swarm-AI
rengine has 8,912 GitHub stars, 1,346 forks, 164 open issues and last shipped 3 days ago. Pentest-Swarm-AI has 3,115 stars, 570 forks, 18 open issues and last shipped yesterday. rengine leads on adoption by 186% (8,912 vs 3,115 stars). rengine is written in HTML under GPL-3.0; Pentest-Swarm-AI is written in Go under AGPL-3.0. rengine has attracted 15% as many forks as stars, Pentest-Swarm-AI 18%. Pentest-Swarm-AI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (bug-bounty, 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
| rengine | Pentest-Swarm-AI | |
|---|---|---|
| GitHub stars | ★ 8.9K | ★ 3.1K |
| License | GPL-3.0 | AGPL-3.0 |
| Written in | HTML | Go |
| Last push | 2026-10-31 | 2026-11-02 |
| Forks | ⑂ 1.3K | ⑂ 570 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick rengine if
- You weight community size — 8.9K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches HTML
- You value the larger contributor base for long-term maintenance
pick Pentest-Swarm-AI if
- You want the Pentest-Swarm-AI feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and Pentest-Swarm-AI fits your workflow better
About rengine
reNgine: The Ultimate Web Reconnaissance & Vulnerability Scanner 🚀 reNgine 2.2.0 is released! reNgine 2.2.0 comes with bounty hub where you can sync and import your hackerone programs, in app notifications, chaos as subdomain enumeration tool, ability to upload multiple nuclei and gf patterns, support for regex in out of scope subdomain config, additional pdf report template and many more. Check out What's new in reNgine 2.2.0! What is reNgine? reNgine is your ultimate web application reconnaissance suite, designed to supercharge the recon process for security pros, pentesters, and bug bounty hunters. It is go…
read the full rengine overview →
About Pentest-Swarm-AI
The open source XBOW alternative — an autonomous API & web app pentester. Dozens of AI agents don't just scan — they exploit . They chain attacks (BOLA/IDOR, JWT forgery, mass assignment, SSRF, injection), build and score attack paths, and prove real vulnerabilities at machine speed. Built for pentesters · bug bounty hunters · red teamers · security researchers 📖 Documentation · Quick Start · vs. XBOW · Swarm vs. Multi Agent · How It Works · Roadmap Hack at machine speed. 📖 New here? Start with the documentation — quickstart, provider setup, CLI reference, and…
read the full Pentest-Swarm-AI overview →
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Frequently asked questions
Is rengine or Pentest-Swarm-AI more popular?
rengine has 8,912 GitHub stars and Pentest-Swarm-AI has 3,115. rengine has the larger community by that measure.
Are rengine and Pentest-Swarm-AI free?
Both are open source. rengine is licensed under GPL-3.0 and Pentest-Swarm-AI under AGPL-3.0. Neither carries a licence fee.
What is the difference between rengine and Pentest-Swarm-AI?
rengine is written in HTML and Pentest-Swarm-AI 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, rengine or Pentest-Swarm-AI?
Choose rengine if you want the larger community (8,912 stars) or its GPL-3.0 licence terms. Choose Pentest-Swarm-AI if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.