head to head · open source
strix vs Adrian
strix has 63,281 GitHub stars, 6,903 forks, 383 open issues and last shipped yesterday. Adrian has 566 stars, 93 forks, 6 open issues and last shipped 3 days ago. strix leads on adoption by 11,080% (63,281 vs 566 stars). strix is written in Python under Apache-2.0; Adrian is written in Python under Apache-2.0. strix has attracted 11% as many forks as stars, Adrian 16%. strix was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (agents, ai-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
| strix | Adrian | |
|---|---|---|
| GitHub stars | ★ 63K | ★ 566 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-09-17 | 2026-09-15 |
| Forks | ⑂ 6.9K | ⑂ 93 |
| 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 Adrian if
- You want the Adrian feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Adrian 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 Adrian
Adrian is an open source, Apache 2.0 licensed runtime security engine for AI agents that inspects both what an agent does and why it does it, and can block or hold a risky action before it lands — aimed at teams shipping LLM agents on stacks such as LangChain and LangGraph.
read the full Adrian overview →
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Frequently asked questions
Is strix or Adrian more popular?
strix has 63,281 GitHub stars and Adrian has 566. strix has the larger community by that measure.
Are strix and Adrian free?
Both are open source. strix is licensed under Apache-2.0 and Adrian under Apache-2.0. Neither carries a licence fee.
What is the difference between strix and Adrian?
strix is written in Python and Adrian 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, strix or Adrian?
Choose strix if you want the larger community (63,281 stars) or its Apache-2.0 licence terms. Choose Adrian if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.