head to head · open source
Anthropic-Cybersecurity-Skills vs thc-hydra
Anthropic-Cybersecurity-Skills has 33,043 GitHub stars, 4,002 forks, 48 open issues and last shipped 22 days ago. thc-hydra has 12,289 stars, 2,668 forks, 50 open issues and last shipped 2 months ago. Anthropic-Cybersecurity-Skills leads on adoption by 169% (33,043 vs 12,289 stars). Anthropic-Cybersecurity-Skills is written in Python under Apache-2.0; thc-hydra is written in C under AGPL-3.0. Anthropic-Cybersecurity-Skills has attracted 12% as many forks as stars, thc-hydra 22%. Anthropic-Cybersecurity-Skills 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
| Anthropic-Cybersecurity-Skills | thc-hydra | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 12K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | C |
| Last push | 2026-08-31 | 2026-07-30 |
| Forks | ⑂ 4.0K | ⑂ 2.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Anthropic-Cybersecurity-Skills if
- You weight community size — 33K 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 thc-hydra if
- You want the thc-hydra feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches C
- You evaluated both and thc-hydra fits your workflow better
About Anthropic-Cybersecurity-Skills
Anthropic Cybersecurity Skills is an Apache 2.0 Python library of 817 structured cybersecurity skills that gives AI agents the working knowledge of a senior security analyst, aimed at security teams, DevSecOps engineers, and red or blue teams that already run agents such as Claude Code, GitHub Copilot, Codex CLI, Cursor, or Gemini CLI.
read the full Anthropic-Cybersecurity-Skills overview →
About thc-hydra
Hydra is an AGPL 3.0 licensed, C based login cracker that attacks dozens of network protocols in parallel, built for security researchers and penetration testing consultants who need to demonstrate how easily a remote system can be reached with weak credentials.
read the full thc-hydra overview →
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Frequently asked questions
Is Anthropic-Cybersecurity-Skills or thc-hydra more popular?
Anthropic-Cybersecurity-Skills has 33,043 GitHub stars and thc-hydra has 12,289. Anthropic-Cybersecurity-Skills has the larger community by that measure.
Are Anthropic-Cybersecurity-Skills and thc-hydra free?
Both are open source. Anthropic-Cybersecurity-Skills is licensed under Apache-2.0 and thc-hydra under AGPL-3.0. Neither carries a licence fee.
What is the difference between Anthropic-Cybersecurity-Skills and thc-hydra?
Anthropic-Cybersecurity-Skills is written in Python and thc-hydra in C. 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 thc-hydra?
Choose Anthropic-Cybersecurity-Skills if you want the larger community (33,043 stars) or its Apache-2.0 licence terms. Choose thc-hydra if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.