compare
Authorizer vs Ory Kratos
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Authorizer | Ory Kratos |
|---|---|---|
| Language | Go | Go |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 2.1k | 14k |
| Latest | 2.4.1 | v26.2.0 |
| Last push | 2026-10-06 | 2026-07-29 |
| Release cadence | too few releases | about 123 days between releases |
| Active contributors | 2 commit authors on the default branch in the last 90 days | 8 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Auth0. Alternatives to Auth0 →
PartialAuthorizerLogin, signup and role-based access for your applications over OAuth and OpenID Connect.
PartialOry KratosRegistration, login, MFA and account recovery through an API; you bring the login pages.
Authorizer
- 2.4.12026-09-03Security release. Fixes two reported advisories plus two further issues of the same classes found while fixing them.
- 2.4.02026-08-19Enterprise SSO (SAML IdP, verified domains, home realm discovery), WebAuthn/passkey login, SCIM 2.0, machine and agent…
- 2.4.0-rc.232026-08-17Release candidate for 2.4.0.pre-release
- 2.4.0-rc.222026-08-14Release candidate for 2.4.0.pre-release
- 2.4.0-rc.212026-08-14Release candidate for 2.4.0.pre-release
Ory Kratos
- v26.2.02026-03-20v26.2.0
- v25.4.02025-11-07This release introduces passwordless authentication via SMS, expanded passkey and WebAuthn support, new SAML and OIDC f…
- v1.3.12024-10-28This release adds the ability to verify Android passkeys.
- v1.3.02024-09-26We are thrilled to announce the release of Ory Kratos v1.3.0! This release includes significant updates, enhancements,…
- v1.2.02024-06-05Ory Kratos v1.2 is the most complete, scalable, and secure open-source identity server available. We are thrilled to an…
Authorizer
✓ signed The latest release, 2.4.1, carries a signature GitHub verified.
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Ory Kratos
unsigned The latest release, v26.2.0, carries no signature GitHub could verify.
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