| Website | fusionauth.io |
| Category | Identity Platform |
| License | Open Source (Apache License 2.0) |
| Pricing | Free self-hosted tier; cloud plans start around $10/month, with enterprise options available. |
Overview
FusionAuth delivers OAuth, OIDC, SAML, LDAP, JWT, multi-tenancy, theming, self-hosting, and cloud hosting for app authentication.
Pros
- Strong self-hosting support
- Broad protocol coverage including OAuth, OIDC, SAML, and LDAP
- Built-in multi-tenancy for multi-app or multi-client setups
- Flexible JWT handling and token customization
- Customizable themes and email templates
Cons
- Smaller ecosystem than Auth0 or Okta
- Admin UI feels less polished than major rivals
- Some advanced capabilities require paid tiers
- Documentation can feel thin for complex setups
Verdict
FusionAuth works well for teams that want a capable identity platform with strong self-hosting and standard authentication protocols. It suits startups, agencies, and internal platforms that need multi-tenancy and customization without heavy vendor lock-in. The main trade-off is a less mature ecosystem and fewer integrations than larger identity providers.
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