head to head · open source
giskard-oss vs nono
giskard-oss has 5,830 GitHub stars, 537 forks, 64 open issues and last shipped 2 days ago. nono has 4,140 stars, 274 forks, 201 open issues and last shipped 2 days ago. giskard-oss leads on adoption by 41% (5,830 vs 4,140 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%. giskard-oss 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 | ★ 5.8K | ★ 4.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 537 | ⑂ 274 |
| 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 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
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 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.
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Frequently asked questions
Is giskard-oss or nono more popular?
giskard-oss has 5,830 GitHub stars and nono has 4,140. 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 (5,830 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.