head to head · open source
strix vs arcjet-js
strix has 73,376 GitHub stars, 8,266 forks, 383 open issues and last shipped 4 days ago. arcjet-js has 698 stars, 35 forks, 11 open issues and last shipped 5 days ago. strix leads on adoption by 10,412% (73,376 vs 698 stars). strix is written in Python under Apache-2.0; arcjet-js is written in TypeScript under Apache-2.0. strix has attracted 11% as many forks as stars, arcjet-js 5%. strix was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | arcjet-js | |
|---|---|---|
| GitHub stars | ★ 73K | ★ 698 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-10-30 | 2026-10-29 |
| Forks | ⑂ 8.3K | ⑂ 35 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick strix if
- You weight community size — 73K 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 arcjet-js if
- You want the arcjet-js feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and arcjet-js fits your workflow better
About strix
Strix The open source AI pentesting tool. Autonomous AI hackers that find and fix your app’s vulnerabilities. [!TIP] New! Strix integrates seamlessly with GitHub Actions and CI/CD pipelines. Automatically scan for vulnerabilities on every pull request and block insecure code before it reaches production Get started with no setup required. Strix Overview Strix are autonomous AI penetration testing agents that act just like real hackers they run your code dynamically, find vulnerabilities, and validate them through actual proofs of concept. Built for developers and security teams who need fast, accurate security…
read the full strix overview →
About arcjet-js
Arcjet JS SDK [Arcjet][arcjet] is the runtime security platform that ships in your AI code. Detect prompt injection, authorize agent tool calls, redact sensitive data, and block bots and abuse. Real time security building blocks you call inside your app, before an action happens. This is the monorepo containing various [Arcjet][arcjet] open source packages for JS. Why Arcjet? Your app's AI features and agents take real actions, calling tools, reading data, hitting APIs. Arcjet runs inside that code and lets you enforce security on each action in real time, then audit what happened Which package do I need? Arcjet…
read the full arcjet-js overview →
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Frequently asked questions
Is strix or arcjet-js more popular?
strix has 73,376 GitHub stars and arcjet-js has 698. strix has the larger community by that measure.
Are strix and arcjet-js free?
Both are open source. strix is licensed under Apache-2.0 and arcjet-js under Apache-2.0. Neither carries a licence fee.
What is the difference between strix and arcjet-js?
strix is written in Python and arcjet-js in TypeScript. 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 arcjet-js?
Choose strix if you want the larger community (73,376 stars) or its Apache-2.0 licence terms. Choose arcjet-js if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.