Alternatives to Keycloak

Ordered by how much they overlap with Keycloak, then by score.

Alternatives, ranked

  1. Authelia

    Authentication server that adds single sign-on and two-factor login in front of reverse proxies.

    • Released more recently
    • No shared features
    Updated 49 days ago
    123 79.6 = Compare
  2. ZITADEL

    Multi-tenant identity platform written in Go, with OIDC, SAML, passkeys and an audit event store.

    • No shared features
    Updated 62 days ago
    155 77.0 = Compare
  3. Vaultwarden

    Lightweight alternative implementation of the Bitwarden server written in Rust.

    • Runs on more platforms
    • No shared features
    Updated 53 days ago
    226 60.7 = Compare
  4. Ory Kratos

    API-first identity and user management service handling registration, login, recovery and MFA.

    • No shared features
    Stale: 230 days without a release
    232 59.4 = Compare