Side by side
FusionAuth vs Keycloak
Both stand on self-service password reset software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIiPhone+5
FusionAuth offers identity management with multiple authentication methods, standards, and deployment options. The free Community Edition is self-hosted; Starter costs $162 a month when billed annually.
Visit FusionAuth
Free plan APILinuxSelf-hosted+2
Keycloak provides single sign-on, multiple authentication methods, directory synchronization, and fine-grained authorization policies as open-source software. Some features need enabling, and the project recommends Red Hat build of Keycloak for users who need long-term support for specific versions.
Visit KeycloakThe facts
| FusionAuth | Keycloak | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Not published |
| Runs on | Android, API, iPhone, Linux, Mac, Self-hosted, Web, Windows | API, Linux, Self-hosted, Web, Windows |
| Lowest paid plan | Starter: $162 a month | Free or on request |
| Plans published | 4 | 1 |
| Maker | Not published | Not published |
| Website | fusionauth.io | keycloak.org |
| On self-service password reset software | #1 of 23 | #3 of 23 |
FusionAuth: what it does well
- Free self-hosted Community Edition with no trial clock
- Supports OAuth 2.0, OpenID Connect, and SAML v2
- Offers local, on-premises, cloud, and air-gapped deployment
- Supports passkeys and one-time passwords
- Provides role-based access control
What to know first
- Starter lists one connector
- Starter lists 100 machine-to-machine entities
- No native desktop integration
Keycloak: what it does well
- Supports OpenID Connect, OAuth 2.0, and SAML
- Offers passkeys, passwords, certificates, and two-factor methods
- Synchronizes users from LDAP and Active Directory
- Provides server, container, and operator deployments
What to know first
- Some features are disabled by default
- Preview features may not be generally available as supported features
- Long-term support for specific versions points to Red Hat build
Alternatives to FusionAuth Alternatives to Keycloak The whole list