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FusionAuth

Customer identity and auth you can run anywhere

FusionAuth is a downloadable or hosted CIAM platform with login, MFA, SSO and user management APIs.

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Pricing: Free plan

Platforms: Web, Self-hosted, API

Categories: Developer Tools, Security & Privacy

FusionAuth is an alternative to

Auth0 · Firebase Auth · Clerk · Okta

FusionAuth compared with similar tools

Product	Price	Open source	Self-host	Platforms
FusionAuth	Free plan	–	Yes	Web, Self-hosted, API
Clerk	Free plan	–	–	Web, API
Logto	Free plan	Yes	Yes	Web, Self-hosted, API
Kinde	Free plan	–	–	Web, API
ZITADEL	Free plan	Yes	Yes	Web, Self-hosted, API
Hexclave (formerly Stack Auth)	Free plan	Yes	Yes	Web, Self-hosted, API
SuperTokens	Free plan	Yes	Yes	Web, Self-hosted, API

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Questions

Is FusionAuth free?

FusionAuth is free to start, with paid plans.

Can FusionAuth be self-hosted?

Yes, you can run FusionAuth on your own server.

What platforms does FusionAuth run on?

FusionAuth is available for Web, Self-hosted, API.

What are some alternatives to FusionAuth?

Similar indie products include Clerk, Logto, Kinde, ZITADEL and 4 more.

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