head to head · open source
Anthropic-Cybersecurity-Skills vs RedTiger-Tools
Anthropic-Cybersecurity-Skills has 33,476 GitHub stars, 4,062 forks, 48 open issues and last shipped 28 days ago. RedTiger-Tools has 731 stars, 52 forks, 9 open issues and last shipped 4 months ago. Anthropic-Cybersecurity-Skills leads on adoption by 4,479% (33,476 vs 731 stars). Anthropic-Cybersecurity-Skills is written in Python under Apache-2.0; RedTiger-Tools is written in Python under MIT. Anthropic-Cybersecurity-Skills has attracted 12% as many forks as stars, RedTiger-Tools 7%. Anthropic-Cybersecurity-Skills was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (cybersecurity), 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 | RedTiger-Tools | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 731 |
| License | Apache-2.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-08-31 | 2026-06-02 |
| Forks | ⑂ 4.1K | ⑂ 52 |
| 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 RedTiger-Tools if
- You want the RedTiger-Tools feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and RedTiger-Tools 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 RedTiger-Tools
RedTiger Tools is an open source, MIT licensed Python automation toolkit that consolidates pentesting and OSINT utilities — scanning, port and host discovery, URL crawling, pinging and lookup functions — into one configurable command line and interactive platform for security practitioners, OSINT researchers and students running Windows or Linux.
read the full RedTiger-Tools overview →
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Frequently asked questions
Is Anthropic-Cybersecurity-Skills or RedTiger-Tools more popular?
Anthropic-Cybersecurity-Skills has 33,476 GitHub stars and RedTiger-Tools has 731. Anthropic-Cybersecurity-Skills has the larger community by that measure.
Are Anthropic-Cybersecurity-Skills and RedTiger-Tools free?
Both are open source. Anthropic-Cybersecurity-Skills is licensed under Apache-2.0 and RedTiger-Tools under MIT. Neither carries a licence fee.
What is the difference between Anthropic-Cybersecurity-Skills and RedTiger-Tools?
Anthropic-Cybersecurity-Skills is written in Python and RedTiger-Tools in Python. 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 RedTiger-Tools?
Choose Anthropic-Cybersecurity-Skills if you want the larger community (33,476 stars) or its Apache-2.0 licence terms. Choose RedTiger-Tools if its feature set, stack or MIT licence fits better. Both are self-hostable.