head to head · open source
nono vs open-kritt
nono has 4,140 GitHub stars, 274 forks, 201 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. nono leads on adoption by 92% (4,140 vs 2,152 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 | ★ 4.1K | ★ 2.2K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Rust | JavaScript |
| Last push | 2026-09-18 | 2026-09-15 |
| Forks | ⑂ 274 | ⑂ 370 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nono if
- You weight community size — 4.1K 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
nono is a Rust project for secure multiplexed execution paths for AI agents. It lives in AI security and privacy. It is built by the team that brought Sigstore. It aims to run agents with zero trust, zero setup, and zero latency.
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 nono or open-kritt more popular?
nono has 4,140 GitHub stars and open-kritt has 2,152. 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 (4,140 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.