head to head · open source
giskard-oss vs nono
giskard-oss has 5,943 GitHub stars, 560 forks, 64 open issues and last shipped 3 days ago. nono has 4,821 stars, 327 forks, 201 open issues and last shipped 2 days ago. giskard-oss leads on adoption by 23% (5,943 vs 4,821 stars). giskard-oss is written in Python under Apache-2.0; nono is written in Rust under Apache-2.0. giskard-oss has attracted 9% as many forks as stars, nono 7%. 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-security, llm-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 | nono | |
|---|---|---|
| GitHub stars | ★ 5.9K | ★ 4.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-11-02 | 2026-11-03 |
| Forks | ⑂ 560 | ⑂ 327 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick giskard-oss if
- You weight community size — 5.9K 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 nono if
- You want the nono feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and nono fits your workflow better
About giskard-oss
Evals, Red Teaming and Test Generation for Agentic Systems Modular, Lightweight, Dynamic and Async first Docs • Website • Community [!IMPORTANT] Giskard v3 is a fresh rewrite designed for dynamic, multi turn testing of AI agents. This release drops heavy dependencies for better efficiency while introducing a more powerful AI vulnerability scanner and enhanced RAG evaluation — both now shipping natively in giskard scan , with no dependency on v2. Only the legacy scan for tabular/ML models remains v2 only. Giskard v2 remains available but is no longer actively maintained. Follow progress → Read the v3…
read the full giskard-oss overview →
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…
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Frequently asked questions
Is giskard-oss or nono more popular?
giskard-oss has 5,943 GitHub stars and nono has 4,821. giskard-oss has the larger community by that measure.
Are giskard-oss and nono free?
Both are open source. giskard-oss is licensed under Apache-2.0 and nono under Apache-2.0. Neither carries a licence fee.
What is the difference between giskard-oss and nono?
giskard-oss is written in Python and nono in Rust. 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 nono?
Choose giskard-oss if you want the larger community (5,943 stars) or its Apache-2.0 licence terms. Choose nono if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.