head to head · open source
nono vs open-kritt
nono has 4,821 GitHub stars, 327 forks, 201 open issues and last shipped 2 days ago. open-kritt has 2,413 stars, 408 forks, 7 open issues and last shipped 3 days ago. nono leads on adoption by 100% (4,821 vs 2,413 stars). nono is written in Rust under Apache-2.0; open-kritt is written in JavaScript under AGPL-3.0. nono has attracted 7% as many forks as stars, open-kritt 17%. nono was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agents, 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
| nono | open-kritt | |
|---|---|---|
| GitHub stars | ★ 4.8K | ★ 2.4K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Rust | JavaScript |
| Last push | 2026-11-03 | 2026-11-02 |
| Forks | ⑂ 327 | ⑂ 408 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nono if
- You weight community size — 4.8K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- 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 nono
Built by the team that brought you Sigstore The standard for secure software attestation, used by PyPI, npm, brew, and Maven Central [!NOTE] In the lead up to a 1.0 release, APIs are stabilizing. API changes may still occur where necessary, but will be kept to a minimum. [!IMPORTANT] Organization migration: The official nono registry namespace has moved from always further to nolabs ai . Update any references in your scripts, profiles, and CI. If you already have a pack installed under the old namespace, remove it first before pulling from the new one: The old namespace will be retired — migrate now. Run AI…
About open-kritt
open·kritt Orchestrate AI agents to find real vulnerabilities in code. An open source, self hosted security and vulnerability research platform that turns focused AI analysis into de duplicated, ranked findings with configurable validation and enrichment. Website · Documentation · Getting started · Contributing · Owners · Research paper What is open·kritt? Pointing a model at an entire repository and asking it to find vulnerabilities rarely works well. open·kritt takes a focused approach: break the research into small, well defined tasks, run them across AI agents in parallel, and combine their output into…
read the full open-kritt overview →
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Frequently asked questions
Is nono or open-kritt more popular?
nono has 4,821 GitHub stars and open-kritt has 2,413. nono has the larger community by that measure.
Are nono and open-kritt free?
Both are open source. nono is licensed under Apache-2.0 and open-kritt under AGPL-3.0. Neither carries a licence fee.
What is the difference between nono and open-kritt?
nono is written in Rust 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, nono or open-kritt?
Choose nono if you want the larger community (4,821 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.