head to head · open source
strix vs beelzebub
strix has 63,281 GitHub stars, 6,903 forks, 383 open issues and last shipped yesterday. beelzebub has 2,177 stars, 209 forks, 5 open issues and last shipped 4 days ago. strix leads on adoption by 2,807% (63,281 vs 2,177 stars). strix is written in Python under Apache-2.0; beelzebub is written in Go under GPL-3.0. strix has attracted 11% as many forks as stars, beelzebub 10%. strix was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (cybersecurity), 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.
← all 8884 open source comparisons
Side by side
| strix | beelzebub | |
|---|---|---|
| GitHub stars | ★ 63K | ★ 2.2K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | Go |
| Last push | 2026-09-17 | 2026-09-14 |
| Forks | ⑂ 6.9K | ⑂ 209 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick strix if
- You weight community size — 63K 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 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 strix
Strix is an open source AI penetration testing tool that deploys autonomous AI agents against a running codebase to find, validate, and fix application vulnerabilities, built for developers and security teams who want dynamic security testing without the cost and scheduling overhead of manual pentesting.
read the full strix overview →
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 →
More in AI & Machine Learning
Related comparisons
More AI Security & Privacy projects
Compare either of these against the rest of the AI Security & Privacy field.
Frequently asked questions
Is strix or beelzebub more popular?
strix has 63,281 GitHub stars and beelzebub has 2,177. strix has the larger community by that measure.
Are strix and beelzebub free?
Both are open source. strix is licensed under Apache-2.0 and beelzebub under GPL-3.0. Neither carries a licence fee.
What is the difference between strix and beelzebub?
strix is written in Python 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, strix or beelzebub?
Choose strix if you want the larger community (63,281 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.