head to head · open source
nono vs agentic_security
nono has 4,821 GitHub stars, 327 forks, 201 open issues and last shipped 2 days ago. agentic_security has 2,040 stars, 301 forks, 72 open issues and last shipped 4 days ago. nono leads on adoption by 136% (4,821 vs 2,040 stars). nono is written in Rust under Apache-2.0; agentic_security is written in Python under Apache-2.0. nono has attracted 7% as many forks as stars, agentic_security 15%. nono was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (agent-security, llm-security), 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
| nono | agentic_security | |
|---|---|---|
| GitHub stars | ★ 4.8K | ★ 2.0K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | Python |
| Last push | 2026-11-03 | 2026-11-01 |
| Forks | ⑂ 327 | ⑂ 301 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nono if
- You weight community size — 4.8K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- 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 nono
Built by the team that brought you Sigstore The standard for secure software attestation, used by PyPI, npm, brew, and Maven Central [!NOTE] In the lead up to a 1.0 release, APIs are stabilizing. API changes may still occur where necessary, but will be kept to a minimum. [!IMPORTANT] Organization migration: The official nono registry namespace has moved from always further to nolabs ai . Update any references in your scripts, profiles, and CI. If you already have a pack installed under the old namespace, remove it first before pulling from the new one: The old namespace will be retired — migrate now. Run AI…
About agentic_security
Agentic Security An open source vulnerability scanner for Agent Workflows and Large Language Models (LLMs) Protecting AI systems from jailbreaks, fuzzing, and multimodal attacks. Explore the docs » · Report a Bug » Features Agentic Security equips you with powerful tools to safeguard LLMs against emerging threats. Here's what you can do: Multimodal Attacks 🖼️🎙️ Probe vulnerabilities across text, images, and audio inputs to ensure your LLM is robust against diverse threats. Multi Step Jailbreaks 🌀 Simulate sophisticated, iterative attack sequences to uncover weaknesses in LLM safety mechanisms. Comprehensive…
read the full agentic_security overview →
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Frequently asked questions
Is nono or agentic_security more popular?
nono has 4,821 GitHub stars and agentic_security has 2,040. nono has the larger community by that measure.
Are nono and agentic_security free?
Both are open source. nono is licensed under Apache-2.0 and agentic_security under Apache-2.0. Neither carries a licence fee.
What is the difference between nono and agentic_security?
nono is written in Rust 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, nono or agentic_security?
Choose nono if you want the larger community (4,821 stars) or its Apache-2.0 licence terms. Choose agentic_security if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.