head to head · open source
nono vs api-relay-audit
nono has 4,821 GitHub stars, 327 forks, 201 open issues and last shipped 2 days ago. api-relay-audit has 905 stars, 83 forks, 26 open issues and last shipped 9 days ago. nono leads on adoption by 433% (4,821 vs 905 stars). nono is written in Rust under Apache-2.0; api-relay-audit is written in Python under AGPL-3.0. nono has attracted 7% as many forks as stars, api-relay-audit 9%. nono was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai-agents, ai-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 | api-relay-audit | |
|---|---|---|
| GitHub stars | ★ 4.8K | ★ 905 |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Rust | Python |
| Last push | 2026-11-03 | 2026-10-27 |
| Forks | ⑂ 327 | ⑂ 83 |
| 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 api-relay-audit if
- You want the api-relay-audit feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and api-relay-audit 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 api-relay-audit
API Relay Audit Local security audit for AI API relays and LLM proxies. DSH Plugin Your Agent Is Mine: what you can test locally Your Agent Is Mine documents malicious API relays injecting payloads and exfiltrating credentials. Anthropic's September 10, 2026 report describes fraudulent Claude resellers swapping models and harvesting credentials through their client tooling. In his September 11 disclosure, co author Chaofan Shou reports buying router data containing users' credentials. API Relay Audit is an independent, local security audit tool for AI API relays and LLM proxies, informed by the paper. The…
read the full api-relay-audit overview →
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Frequently asked questions
Is nono or api-relay-audit more popular?
nono has 4,821 GitHub stars and api-relay-audit has 905. nono has the larger community by that measure.
Are nono and api-relay-audit free?
Both are open source. nono is licensed under Apache-2.0 and api-relay-audit under AGPL-3.0. Neither carries a licence fee.
What is the difference between nono and api-relay-audit?
nono is written in Rust and api-relay-audit 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 api-relay-audit?
Choose nono if you want the larger community (4,821 stars) or its Apache-2.0 licence terms. Choose api-relay-audit if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.