head to head · open source
nono vs beelzebub
nono has 4,140 GitHub stars, 274 forks, 201 open issues and last shipped 2 days ago. beelzebub has 2,180 stars, 209 forks, 5 open issues and last shipped 6 days ago. nono leads on adoption by 90% (4,140 vs 2,180 stars). nono is written in Rust under Apache-2.0; beelzebub is written in Go under GPL-3.0. nono has attracted 7% as many forks as stars, beelzebub 10%. nono was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | beelzebub | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 2.2K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Rust | Go |
| Last push | 2026-09-18 | 2026-09-14 |
| Forks | ⑂ 274 | ⑂ 209 |
| 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 beelzebub if
- You want the beelzebub feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Go
- You evaluated both and beelzebub 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 beelzebub
Beelzebub is an open source deception runtime framework written in Go and released under GPL 3.0. It operates in the cybersecurity and AI security ecosystem, where teams need controlled systems that attract and record activity aimed at decoy services. The project is a configurable runtime for honeypots, decoys, and agent facing bait tools, with documentation at docs.beelzebub.ai.
read the full beelzebub overview →
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Frequently asked questions
Is nono or beelzebub more popular?
nono has 4,140 GitHub stars and beelzebub has 2,180. nono has the larger community by that measure.
Are nono and beelzebub free?
Both are open source. nono is licensed under Apache-2.0 and beelzebub under GPL-3.0. Neither carries a licence fee.
What is the difference between nono and beelzebub?
nono is written in Rust and beelzebub in Go. 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 beelzebub?
Choose nono if you want the larger community (4,140 stars) or its Apache-2.0 licence terms. Choose beelzebub if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.