head to head · open source
bernstein vs attestix
bernstein has 1,312 GitHub stars, 176 forks, 368 open issues and last shipped today. attestix has 722 stars, 83 forks, 21 open issues and last shipped 2 days ago. bernstein leads on adoption by 82% (1,312 vs 722 stars). bernstein is written in Python under Apache-2.0; attestix is written in Python under Apache-2.0. bernstein has attracted 13% as many forks as stars, attestix 11%. bernstein was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai-agents, attestation, compliance), 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
| bernstein | attestix | |
|---|---|---|
| GitHub stars | ★ 1.3K | ★ 722 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-09-29 | 2026-09-27 |
| Forks | ⑂ 176 | ⑂ 83 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick bernstein if
- You weight community size — 1.3K 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 attestix if
- You want the attestix 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 attestix fits your workflow better
About bernstein
Bernstein is an open source, Apache 2.0 governance and orchestration framework for fleets of AI agents, built for teams that want to write their operating rules declaratively, have those rules enforced at runtime, and keep a verifiable, replayable record of what every agent did.
read the full bernstein overview →
About attestix
Attestix is an open source attestation infrastructure for AI agents that provides DID based agent identity, W3C Verifiable Credentials, an EU AI Act compliance layer, delegation chains, and reputation scoring, and it is aimed at teams building or operating autonomous agents that need to prove identity and compliance to another agent, a regulator, or a downstream system.
read the full attestix overview →
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Frequently asked questions
Is bernstein or attestix more popular?
bernstein has 1,312 GitHub stars and attestix has 722. bernstein has the larger community by that measure.
Are bernstein and attestix free?
Both are open source. bernstein is licensed under Apache-2.0 and attestix under Apache-2.0. Neither carries a licence fee.
What is the difference between bernstein and attestix?
bernstein is written in Python and attestix 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, bernstein or attestix?
Choose bernstein if you want the larger community (1,312 stars) or its Apache-2.0 licence terms. Choose attestix if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.