head to head · open source
codex-security vs nono
codex-security has 10,750 GitHub stars, 797 forks, 220 open issues and last shipped yesterday. nono has 4,121 stars, 272 forks, 201 open issues and last shipped yesterday. codex-security leads on adoption by 161% (10,750 vs 4,121 stars). codex-security is written in TypeScript under Apache-2.0; nono is written in Rust under Apache-2.0. codex-security has attracted 7% as many forks as stars, nono 7%. codex-security was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai-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
| codex-security | nono | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 4.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 797 | ⑂ 272 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick codex-security if
- You weight community size — 11K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick nono if
- You want the nono feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and nono fits your workflow better
About codex-security
Codex Security is OpenAI's command line tool and TypeScript SDK, published on npm as @openai/codex security , that finds, validates, and fixes security vulnerabilities in a codebase, and it serves application security engineers, DevSecOps teams, and developers who want that scanning to run from their own terminal or CI.
read the full codex-security overview →
About nono
nono is a Rust project for secure multiplexed execution paths for AI agents. It lives in AI security and privacy. It is built by the team that brought Sigstore. It aims to run agents with zero trust, zero setup, and zero latency.
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Frequently asked questions
Is codex-security or nono more popular?
codex-security has 10,750 GitHub stars and nono has 4,121. codex-security has the larger community by that measure.
Are codex-security and nono free?
Both are open source. codex-security is licensed under Apache-2.0 and nono under Apache-2.0. Neither carries a licence fee.
What is the difference between codex-security and nono?
codex-security is written in TypeScript and nono in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, codex-security or nono?
Choose codex-security if you want the larger community (10,750 stars) or its Apache-2.0 licence terms. Choose nono if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.