Alternatives to Keycloak

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

Alternatives, ranked

  1. Vaultwarden

    Lightweight alternative implementation of the Bitwarden server written in Rust.

    • Higher score
    • Runs on more platforms
    • No shared features
    Updated 6 days ago
    34 90.2 = Compare
  2. Authelia

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

    • Released more recently
    • No shared features
    Updated 2 days ago
    83 87.2 = Compare
  3. ZITADEL

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

    • No shared features
    Updated 15 days ago
    105 84.8 = Compare
  4. Ory Kratos

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

    • No shared features
    Stale: 183 days without a release
    159 61.6 = Compare