head to head · open source
Anthropic-Cybersecurity-Skills vs thc-hydra
Anthropic-Cybersecurity-Skills has 35,602 GitHub stars, 4,340 forks, 48 open issues and last shipped 2 months ago. thc-hydra has 12,462 stars, 2,696 forks, 50 open issues and last shipped 7 days ago. Anthropic-Cybersecurity-Skills leads on adoption by 186% (35,602 vs 12,462 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%. thc-hydra 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 | ★ 36K | ★ 12K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | C |
| Last push | 2026-08-31 | 2026-10-30 |
| Forks | ⑂ 4.3K | ⑂ 2.7K |
| 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 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 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 thc-hydra
H Y D R A (c) 2001 2023 by van Hauser / THC Many modules were written by David (dot) Maciejak @ gmail (dot) com BFG code by Jan Dlabal Licensed under AGPLv3 (see LICENSE file) Please do not use in military or secret service organizations, or for illegal purposes. (This is the wish of the author and non binding. Many people working in these organizations do not care for laws and ethics anyway. You are not one of the "good" ones if you ignore this.) NOTE: No, this is not meant to be a markdown doc! old school! Hydra in the most current GitHub state can be directly downloaded via Docker: INTRODUCTION Number one of…
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 35,602 GitHub stars and thc-hydra has 12,462. 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 (35,602 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.