head to head · open source
iFixAi vs vestige
iFixAi has 22,664 GitHub stars, 1,425 forks, 2 open issues and last shipped yesterday. vestige has 648 stars, 71 forks, 46 open issues and last shipped today. iFixAi leads on adoption by 3,398% (22,664 vs 648 stars). iFixAi is written in Python under Apache-2.0; vestige is written in Rust under AGPL-3.0. iFixAi has attracted 6% as many forks as stars, vestige 11%. vestige 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 | vestige | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 648 |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | Rust |
| Last push | 2026-10-08 | 2026-10-09 |
| Forks | ⑂ 1.4K | ⑂ 71 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick iFixAi if
- You weight community size — 23K 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 vestige if
- You want the vestige feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Rust
- You evaluated both and vestige 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 vestige
Vestige is a local, deterministic safety kernel and fail closed runtime firewall for AI agents that records every memory write and agent action in a signed, append only log called Strata, so you can see exactly what your agent did and why.
read the full vestige overview →
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Frequently asked questions
Is iFixAi or vestige more popular?
iFixAi has 22,664 GitHub stars and vestige has 648. iFixAi has the larger community by that measure.
Are iFixAi and vestige free?
Both are open source. iFixAi is licensed under Apache-2.0 and vestige under AGPL-3.0. Neither carries a licence fee.
What is the difference between iFixAi and vestige?
iFixAi is written in Python and vestige in Rust. 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 vestige?
Choose iFixAi if you want the larger community (22,664 stars) or its Apache-2.0 licence terms. Choose vestige if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.