head to head · open source
codex-security vs open-kritt
codex-security has 10,798 GitHub stars, 802 forks, 220 open issues and last shipped yesterday. open-kritt has 2,152 stars, 370 forks, 7 open issues and last shipped 5 days ago. codex-security leads on adoption by 402% (10,798 vs 2,152 stars). codex-security is written in TypeScript under Apache-2.0; open-kritt is written in JavaScript under AGPL-3.0. codex-security has attracted 7% as many forks as stars, open-kritt 17%. 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 | open-kritt | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 2.2K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-19 | 2026-09-15 |
| Forks | ⑂ 802 | ⑂ 370 |
| 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 open-kritt if
- You want the open-kritt feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and open-kritt 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 open-kritt
open kritt is an open source, self hosted AI vulnerability research tool written in JavaScript and licensed under AGPL 3.0. It lives in the AI security and vulnerability research ecosystem, using language models to inspect code for security issues. The project orchestrates AI agents instead of asking one model to review an entire repository in a single pass.
read the full open-kritt overview →
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Frequently asked questions
Is codex-security or open-kritt more popular?
codex-security has 10,798 GitHub stars and open-kritt has 2,152. codex-security has the larger community by that measure.
Are codex-security and open-kritt free?
Both are open source. codex-security is licensed under Apache-2.0 and open-kritt under AGPL-3.0. Neither carries a licence fee.
What is the difference between codex-security and open-kritt?
codex-security is written in TypeScript and open-kritt in JavaScript. 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 open-kritt?
Choose codex-security if you want the larger community (10,798 stars) or its Apache-2.0 licence terms. Choose open-kritt if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.