head to head · open source
shannon vs agentic_security
shannon has 48,105 GitHub stars, 5,515 forks, 18 open issues and last shipped 10 days ago. agentic_security has 2,001 stars, 288 forks, 72 open issues and last shipped 7 days ago. shannon leads on adoption by 2,304% (48,105 vs 2,001 stars). shannon is written in TypeScript under AGPL-3.0; agentic_security is written in Python under Apache-2.0. shannon has attracted 11% as many forks as stars, agentic_security 14%. agentic_security 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
| shannon | agentic_security | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 2.0K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-08 | 2026-09-11 |
| Forks | ⑂ 5.5K | ⑂ 288 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick shannon if
- You weight community size — 48K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick agentic_security if
- You want the agentic_security feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and agentic_security fits your workflow better
About shannon
Shannon is an autonomous AI pentester for web applications and APIs that reads an application's source code, identifies attack paths, and executes real exploits so that only vulnerabilities with a working proof of concept are reported, built for AppSec, DevSecOps, and security engineering teams that ship code continuously.
read the full shannon overview →
About agentic_security
Agentic Security is an open source vulnerability scanner and AI red teaming kit for agent workflows and large language models. It lives in the Python AI security ecosystem and is distributed under the Apache 2.0 license. The project addresses the problem of testing LLM applications and agent systems against jailbreaks, fuzzing, and multimodal attacks. It gives developers, researchers, and security teams a local workflow for probing model endpoints, dataset driven attack vectors, and safety thresholds before deployment.
read the full agentic_security overview →
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Frequently asked questions
Is shannon or agentic_security more popular?
shannon has 48,105 GitHub stars and agentic_security has 2,001. shannon has the larger community by that measure.
Are shannon and agentic_security free?
Both are open source. shannon is licensed under AGPL-3.0 and agentic_security under Apache-2.0. Neither carries a licence fee.
What is the difference between shannon and agentic_security?
shannon is written in TypeScript and agentic_security 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, shannon or agentic_security?
Choose shannon if you want the larger community (48,105 stars) or its AGPL-3.0 licence terms. Choose agentic_security if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.