What is FusionAuth used for?

FusionAuth is a customer identity platform for login, multi-factor authentication and single sign-on that can be self-hosted or run as a cloud service. It is a good fit for running your own identity provider and adding login to apps without building it.

Yes. FusionAuth has a free plan, and paid plans start at $162 per month.

Is FusionAuth open source?

No. FusionAuth is proprietary (closed-source) software. Open-source alternatives to FusionAuth include SuperTokens, Logto and Casdoor.

Can I self-host FusionAuth?

Yes. Although FusionAuth is closed source, it can be self-hosted on your own servers, and the vendor also offers a hosted version.

What are some alternatives to FusionAuth?

FusionAuth competes with Auth0, Amazon Cognito and Frontegg. For open-source options, see Enlisted's ranked list of open-source FusionAuth alternatives.

FusionAuth: features, pricing and alternatives

About FusionAuth

FusionAuth is a customer identity and access management platform for adding login to applications. It covers authentication, multi-factor authentication and single sign-on, and gives teams control over how identity data is stored and used.

A defining feature is its deployment flexibility. Customers can run FusionAuth themselves on their own infrastructure or use a hosted cloud version operated by the vendor. FusionAuth is a commercial product with licensing and plan details published by the vendor, and it suits developers who want an identity provider they can host and customize.

Key features

Login and registration for applications
Multi-factor authentication support
Single sign-on support
Self-hosted or cloud deployment
Customer identity management

Good fit for

→Running your own identity provider
→Adding login to apps without building it

Tags: ciam; authentication; sso; mfa; self-hosted; identity; oauth

FusionAuth: questions and answers

What is FusionAuth used for?: FusionAuth is a customer identity platform for login, multi-factor authentication and single sign-on that can be self-hosted or run as a cloud service. It is a good fit for running your own identity provider and adding login to apps without building it.
Is FusionAuth free?: Yes. FusionAuth has a free plan, and paid plans start at $162 per month.
Is FusionAuth open source?: No. FusionAuth is proprietary (closed-source) software. Open-source alternatives to FusionAuth include SuperTokens, Logto and Casdoor.
Can I self-host FusionAuth?: Yes. Although FusionAuth is closed source, it can be self-hosted on your own servers, and the vendor also offers a hosted version.
What are some alternatives to FusionAuth?: FusionAuth competes with Auth0, Amazon Cognito and Frontegg. For open-source options, see Enlisted's ranked list of open-source FusionAuth alternatives.