head to head · open source
iFixAi vs arcjet-js
iFixAi has 43,018 GitHub stars, 1,780 forks, 2 open issues and last shipped yesterday. arcjet-js has 698 stars, 35 forks, 11 open issues and last shipped 5 days ago. iFixAi leads on adoption by 6,063% (43,018 vs 698 stars). iFixAi is written in Python under Apache-2.0; arcjet-js is written in TypeScript under Apache-2.0. iFixAi has attracted 4% as many forks as stars, arcjet-js 5%. iFixAi 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.
← all 20902 open source comparisons
Side by side
| iFixAi | arcjet-js | |
|---|---|---|
| GitHub stars | ★ 43K | ★ 698 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 1.8K | ⑂ 35 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick iFixAi if
- You weight community size — 43K 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 English · 简体中文 · 日本語 · 한국어 Independent Auditing of AI Agents Catch your agent's mistakes and blind spots before the shit hits the fan. Quick start • Three ways to run • Test your agent • Scoring • Docs • Contributing One ifixai run , end to end: guided setup picks the system, judge, and suite; the run verifies the connection and saves your config; 32 inspections execute across five pillars; and the result lands as an A–F grade with a scored core pillar scorecard. What it is The existing Eval, Red teaming, and Observability Tools are evaluating the agent mainly based on tech capability (token efficiency…
read the full iFixAi 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 →
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 iFixAi or arcjet-js more popular?
iFixAi has 43,018 GitHub stars and arcjet-js has 698. 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 (43,018 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.