compare
Keycloak vs Ory Hydra
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Keycloak | Ory Hydra |
|---|---|---|
| Language | Java | Go |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 37k | 18k |
| Latest | 26.8.0 | v26.2.0 |
| Last push | 2026-10-06 | 2026-07-29 |
| Release cadence | about 14 days between releases | about 294 days between releases |
| Active contributors | 97+ 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 →
Full replacementKeycloakHosted login pages, social login and OpenID Connect for your applications.
PartialOry HydraAn OAuth 2.0 and OpenID Connect server; login, consent and users stay in your own app.
Keycloak
Ory Hydra
- v26.2.02026-03-20v26.2.0
- v25.4.02025-11-07v25.4.0 brings first-class support for agentic authorization with the Device Authorization Grant (RFC 8628) and OAuth 2…
- v2.3.02025-01-17We’re thrilled to announce the release of Ory Hydra 2.3.0! This version comes packed with graceful token refresh, perfo…
- v2.2.02024-02-12!Ory Hydra 2.2.0
- v2.2.0-rc.32023-08-16Introduces logout compatibility with Ory Kratos.pre-release
Keycloak
unsigned The latest release, 26.8.0, carries no signature GitHub could verify.
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Ory Hydra
unsigned The latest release, v26.2.0, carries no signature GitHub could verify.
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