head to head · open source
strix vs open-kritt
strix has 63,734 GitHub stars, 6,971 forks, 383 open issues and last shipped today. open-kritt has 2,152 stars, 370 forks, 7 open issues and last shipped 5 days ago. strix leads on adoption by 2,862% (63,734 vs 2,152 stars). strix is written in Python under Apache-2.0; open-kritt is written in JavaScript under AGPL-3.0. strix has attracted 11% as many forks as stars, open-kritt 17%. strix 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, bug-bounty), 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
| strix | open-kritt | |
|---|---|---|
| GitHub stars | ★ 64K | ★ 2.2K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | JavaScript |
| Last push | 2026-09-20 | 2026-09-15 |
| Forks | ⑂ 7.0K | ⑂ 370 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick strix if
- You weight community size — 64K 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 strix
Strix is an open source AI penetration testing tool that deploys autonomous AI agents against a running codebase to find, validate, and fix application vulnerabilities, built for developers and security teams who want dynamic security testing without the cost and scheduling overhead of manual pentesting.
read the full strix 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 strix or open-kritt more popular?
strix has 63,734 GitHub stars and open-kritt has 2,152. strix has the larger community by that measure.
Are strix and open-kritt free?
Both are open source. strix is licensed under Apache-2.0 and open-kritt under AGPL-3.0. Neither carries a licence fee.
What is the difference between strix and open-kritt?
strix 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, strix or open-kritt?
Choose strix if you want the larger community (63,734 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.