Compare
Keycloak vs Vaultwarden
Keycloak provides identity and access management, not a password-manager UI compatible with Bitwarden clients.
KeycloakOpen-source identity and access management
VaultwardenLightweight Bitwarden-compatible server written in RustWhich to pick
Pick Keycloak if you want…
- Open-source SSO and auth management
- Enterprise SSO and IAM
- Integrations with OpenID Connect, OAuth 2.0 or SAML 2.0 (on Keycloak's list, not Vaultwarden's)
Pick Vaultwarden if you want…
- Self-hosted Bitwarden-compatible password storage
- Integrations with Docker (on Vaultwarden's list, not Keycloak's)
Side by side
- What it is
- Keycloak:Keycloak is an open-source identity and access management solution providing SSO, social login, and fine-grained authorization.
- Vaultwarden:Vaultwarden is a lightweight, self-hosted server compatible with Bitwarden’s API, written in Rust.
- Best for
- Keycloak:Open-source SSO and auth management
- Vaultwarden:Self-hosted Bitwarden-compatible password storage
- Who it’s for
- Keycloak:Developers and ops teams needing centralized authentication for apps and services
- Vaultwarden:Teams and individuals who want to run their own password manager without using Bitwarden’s cloud service.
- Pricing
- Keycloak:Open source
- Vaultwarden:Open source
- Open source
- Keycloak:Yes, 37,083 GitHub stars
- Vaultwarden:Yes, 68,665 GitHub stars
- Works with
- Keycloak:OpenID Connect, OAuth 2.0, SAML 2.0, LDAP, Active Directory
- Vaultwarden:Docker
Keycloak features
- Single-Sign-On. Users log in once to access multiple applications without re-authenticating.
- Identity Brokering & Social Login. Add social network or external OpenID Connect/SAML providers via the admin console without code changes.
- User Federation. Connect to existing LDAP or Active Directory directories, or custom user stores.
- Admin & Account Consoles. Central UI for managing apps, users, policies and for users to manage profiles and MFA.
- Authorization Services. Define fine-grained permission policies beyond role-based access.
- Standard Protocol Support. Built-in OpenID Connect, OAuth 2.0 and SAML 2.0 support.
Vaultwarden features
- Bitwarden-compatible API. Provides the same API as Bitwarden, allowing existing Bitwarden clients to connect without changes.
- Rust implementation. Built in Rust for performance and safety, using minimal resources.
- Docker support. Official Docker images enable quick deployment on any container platform.
- Two-factor authentication. Supports email, authenticator apps, YubiKey and Duo for added security.
- SSO and organization support. Includes single sign-on, organization keys and user management similar to Bitwarden.
- Extensible configuration. Environment-file based settings let you customize storage, email, and security options.
Keycloak vs Vaultwarden FAQ
Is Keycloak or Vaultwarden free?+
Yes, both are free and open source.
Is Keycloak or Vaultwarden open source?+
Yes, both are open source: Keycloak (keycloak/keycloak on GitHub, Apache-2.0 license) and Vaultwarden (dani-garcia/vaultwarden on GitHub, AGPL-3.0 license).
Do Keycloak and Vaultwarden integrate with the same tools?+
Their integration lists don't overlap: Keycloak lists OpenID Connect, OAuth 2.0, SAML 2.0, LDAP and 1 more; Vaultwarden lists Docker.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.