head to head · open source
garak vs open-kritt
garak has 9,308 GitHub stars, 1,294 forks, 429 open issues and last shipped 4 days ago. open-kritt has 2,152 stars, 370 forks, 7 open issues and last shipped 5 days ago. garak leads on adoption by 333% (9,308 vs 2,152 stars). garak is written in Python under Apache-2.0; open-kritt is written in JavaScript under AGPL-3.0. garak has attracted 14% as many forks as stars, open-kritt 17%. garak was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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
| garak | open-kritt | |
|---|---|---|
| GitHub stars | ★ 9.3K | ★ 2.2K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | JavaScript |
| Last push | 2026-09-16 | 2026-09-15 |
| Forks | ⑂ 1.3K | ⑂ 370 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick garak if
- You weight community size — 9.3K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- 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 garak
garak is a free, Apache 2.0 command line vulnerability scanner for large language models that probes generative AI systems for hallucination, data leakage, prompt injection, misinformation, toxicity generation, and jailbreaks, and it is aimed at security engineers, red teamers, and AI developers who need to test the models they ship.
read the full garak 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 garak or open-kritt more popular?
garak has 9,308 GitHub stars and open-kritt has 2,152. garak has the larger community by that measure.
Are garak and open-kritt free?
Both are open source. garak is licensed under Apache-2.0 and open-kritt under AGPL-3.0. Neither carries a licence fee.
What is the difference between garak and open-kritt?
garak is written in Python 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, garak or open-kritt?
Choose garak if you want the larger community (9,308 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.