head to head · open source
nono vs EasyJailbreak
nono has 4,821 GitHub stars, 327 forks, 201 open issues and last shipped yesterday. EasyJailbreak has 939 stars, 94 forks, 17 open issues and last shipped 2 months ago. nono leads on adoption by 413% (4,821 vs 939 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 | ★ 4.8K | ★ 939 |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Rust | Python |
| Last push | 2026-11-03 | 2026-09-01 |
| Forks | ⑂ 327 | ⑂ 94 |
| 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 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
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 EasyJailbreak
—— An easy to use Python framework to generate adversarial jailbreak prompts by assembling different methods Table of Contents About Setup Project Structure Usage Citing EasyJailbreak About ✨ Introduction What is EasyJailbreak? EasyJailbreak is an easy to use Python framework designed for researchers and developers focusing on LLM security. Specifically, EasyJailbreak decomposes the mainstream jailbreaking process into several iterable steps: initialize mutation seeds , select suitable seeds , add constraint , mutate , attack , and evaluate . On this basis, EasyJailbreak provides a component for each step…
read the full EasyJailbreak overview →
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Frequently asked questions
Is nono or EasyJailbreak more popular?
nono has 4,821 GitHub stars and EasyJailbreak has 939. 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 (4,821 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.