head to head · open source
Anthropic-Cybersecurity-Skills vs rengine
Anthropic-Cybersecurity-Skills has 35,664 GitHub stars, 4,347 forks, 48 open issues and last shipped 2 months ago. rengine has 8,917 stars, 1,345 forks, 164 open issues and last shipped 7 days ago. Anthropic-Cybersecurity-Skills leads on adoption by 300% (35,664 vs 8,917 stars). Anthropic-Cybersecurity-Skills is written in Python under Apache-2.0; rengine is written in HTML under GPL-3.0. Anthropic-Cybersecurity-Skills has attracted 12% 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 (infosec), 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
| Anthropic-Cybersecurity-Skills | rengine | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 8.9K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | HTML |
| Last push | 2026-08-31 | 2026-10-31 |
| Forks | ⑂ 4.3K | ⑂ 1.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Anthropic-Cybersecurity-Skills if
- You weight community size — 36K 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 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 Anthropic-Cybersecurity-Skills
Anthropic Cybersecurity Skills The largest open source cybersecurity skills library for AI agents 818 production grade cybersecurity skills · 34 security domains · 6 framework mappings · 26+ AI platforms Get Started · What's Inside · Frameworks · Platforms · Contributing ⚠️ Community Project — This is an independent, community created project. Not affiliated with Anthropic PBC. 🔐 Authorized & lawful use only. This library includes offensive and dual use techniques (e.g. red team C2, phishing simulation, exploitation) intended for authorized penetration testing, security research, defense, and education . Only…
read the full Anthropic-Cybersecurity-Skills overview →
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 →
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Frequently asked questions
Is Anthropic-Cybersecurity-Skills or rengine more popular?
Anthropic-Cybersecurity-Skills has 35,664 GitHub stars and rengine has 8,917. Anthropic-Cybersecurity-Skills has the larger community by that measure.
Are Anthropic-Cybersecurity-Skills and rengine free?
Both are open source. Anthropic-Cybersecurity-Skills is licensed under Apache-2.0 and rengine under GPL-3.0. Neither carries a licence fee.
What is the difference between Anthropic-Cybersecurity-Skills and rengine?
Anthropic-Cybersecurity-Skills is written in Python 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, Anthropic-Cybersecurity-Skills or rengine?
Choose Anthropic-Cybersecurity-Skills if you want the larger community (35,664 stars) or its Apache-2.0 licence terms. Choose rengine if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.