head to head · open source
iFixAi vs arcjet-js
iFixAi has 15,323 GitHub stars, 1,333 forks, 2 open issues and last shipped 2 days ago. arcjet-js has 683 stars, 31 forks, 11 open issues and last shipped yesterday. iFixAi leads on adoption by 2,143% (15,323 vs 683 stars). iFixAi is written in Python under Apache-2.0; arcjet-js is written in TypeScript under Apache-2.0. iFixAi has attracted 9% as many forks as stars, arcjet-js 5%. arcjet-js 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
| iFixAi | arcjet-js | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 683 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 1.3K | ⑂ 31 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick iFixAi if
- You weight community size — 15K 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 iFixAi
iFixAi is an open source Python auditor that answers, in under 120 seconds, whether an AI agent is actually doing the job it is supposed to do — run either by a human operator or by the agent itself.
read the full iFixAi overview →
About arcjet-js
Arcjet for JavaScript is an Apache 2.0 TypeScript monorepo of runtime security packages that developers call directly inside JavaScript and TypeScript applications, so AI features and agents can detect prompt injection, authorize tool calls, redact sensitive data, and block bots and abuse before an action runs.
read the full arcjet-js overview →
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Frequently asked questions
Is iFixAi or arcjet-js more popular?
iFixAi has 15,323 GitHub stars and arcjet-js has 683. iFixAi has the larger community by that measure.
Are iFixAi and arcjet-js free?
Both are open source. iFixAi is licensed under Apache-2.0 and arcjet-js under Apache-2.0. Neither carries a licence fee.
What is the difference between iFixAi and arcjet-js?
iFixAi 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, iFixAi or arcjet-js?
Choose iFixAi if you want the larger community (15,323 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.