head to head · open source
codex-security vs ADR
codex-security has 10,750 GitHub stars, 797 forks, 220 open issues and last shipped yesterday. ADR has 1,570 stars, 148 forks, 6 open issues and last shipped 2 days ago. codex-security leads on adoption by 585% (10,750 vs 1,570 stars). codex-security is written in TypeScript under Apache-2.0; ADR is written in Python under Apache-2.0. codex-security has attracted 7% as many forks as stars, ADR 9%. codex-security was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-security, codex), 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 | ADR | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 1.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 797 | ⑂ 148 |
| 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 ADR if
- You want the ADR 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 ADR 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 ADR
ADR is an open source enterprise security system for AI agents. It is built in Python under the Apache 2.0 license and lives in the AI security and privacy ecosystem. It targets employee facing coding agents such as Cursor, Claude Code, Codex, GitHub Copilot CLI, and DeepSeek Harness, and customer facing agents such as AI support agents.
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Frequently asked questions
Is codex-security or ADR more popular?
codex-security has 10,750 GitHub stars and ADR has 1,570. codex-security has the larger community by that measure.
Are codex-security and ADR free?
Both are open source. codex-security is licensed under Apache-2.0 and ADR under Apache-2.0. Neither carries a licence fee.
What is the difference between codex-security and ADR?
codex-security is written in TypeScript and ADR 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, codex-security or ADR?
Choose codex-security if you want the larger community (10,750 stars) or its Apache-2.0 licence terms. Choose ADR if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.