head to head · open source
nono vs EasyJailbreak
nono has 4,140 GitHub stars, 274 forks, 201 open issues and last shipped 2 days ago. EasyJailbreak has 909 stars, 91 forks, 17 open issues and last shipped 19 days ago. nono leads on adoption by 355% (4,140 vs 909 stars). nono is written in Rust under Apache-2.0; EasyJailbreak is written in Python under GPL-3.0. nono has attracted 7% as many forks as stars, EasyJailbreak 10%. nono was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| nono | EasyJailbreak | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 909 |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Rust | Python |
| Last push | 2026-09-18 | 2026-09-01 |
| Forks | ⑂ 274 | ⑂ 91 |
| 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 EasyJailbreak if
- You want the EasyJailbreak feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and EasyJailbreak 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 EasyJailbreak
EasyJailbreak is an easy to use Python framework, licensed under GPL 3.0, that generates adversarial jailbreak prompts for large language models by assembling interchangeable attack methods, and it is built for LLM security researchers and developers who need to test and benchmark model safety.
read the full EasyJailbreak overview →
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Frequently asked questions
Is nono or EasyJailbreak more popular?
nono has 4,140 GitHub stars and EasyJailbreak has 909. nono has the larger community by that measure.
Are nono and EasyJailbreak free?
Both are open source. nono is licensed under Apache-2.0 and EasyJailbreak under GPL-3.0. Neither carries a licence fee.
What is the difference between nono and EasyJailbreak?
nono is written in Rust and EasyJailbreak in Python. 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 EasyJailbreak?
Choose nono if you want the larger community (4,140 stars) or its Apache-2.0 licence terms. Choose EasyJailbreak if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.