head to head · open source
giskard-oss vs open-kritt
giskard-oss has 5,830 GitHub stars, 537 forks, 64 open issues and last shipped 2 days ago. open-kritt has 2,152 stars, 370 forks, 7 open issues and last shipped 5 days ago. giskard-oss leads on adoption by 171% (5,830 vs 2,152 stars). giskard-oss is written in Python under Apache-2.0; open-kritt is written in JavaScript under AGPL-3.0. giskard-oss has attracted 9% as many forks as stars, open-kritt 17%. giskard-oss 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
| giskard-oss | open-kritt | |
|---|---|---|
| GitHub stars | ★ 5.8K | ★ 2.2K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | JavaScript |
| Last push | 2026-09-18 | 2026-09-15 |
| Forks | ⑂ 537 | ⑂ 370 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick giskard-oss if
- You weight community size — 5.8K 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 giskard-oss
Giskard OSS is an open source Python library for evaluating, red teaming and testing LLM agents and RAG pipelines, built for developers, ML engineers and AI security teams that need reproducible checks on non deterministic systems.
read the full giskard-oss 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 giskard-oss or open-kritt more popular?
giskard-oss has 5,830 GitHub stars and open-kritt has 2,152. giskard-oss has the larger community by that measure.
Are giskard-oss and open-kritt free?
Both are open source. giskard-oss is licensed under Apache-2.0 and open-kritt under AGPL-3.0. Neither carries a licence fee.
What is the difference between giskard-oss and open-kritt?
giskard-oss 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, giskard-oss or open-kritt?
Choose giskard-oss if you want the larger community (5,830 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.