FusionAuth

Auth that works the way you want

GrowingHigh lock-in

Pricing

Free tier

Hybrid

Adoption

Stable

License

Proprietary

Data freshness

Overview

What is FusionAuth?

FusionAuth is a developer-focused auth platform built for self-hosting at any scale. It provides CIAM (Customer Identity and Access Management) with SSO, MFA, OAuth, SAML, and advanced features like breach password detection, advanced threat detection, and unlimited users on self-hosted plans.

Key differentiator

Auth that works the way you want

Capability profile

Strength Radar

Unlimited usersSelf-hostedSSOMFASAMLBreach detection

Honest assessment

Strengths & Weaknesses

↑ Strengths

Unlimited users

Self-hosted

SSO

MFA

SAML

Breach detection

Themes

Advanced threat detection

Fit analysis

Who is it for?

✓ Best for

Teams needing self-hosted, enterprise-grade CIAM with unlimited users and full control over data

✕ Not a fit for

Teams wanting a fully managed SaaS with minimal infrastructure overhead

Cost structure

Pricing

Free Tier

Available

Starts at

Freemium

Model

Hybrid

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Alternatives

Next step

Get Started with FusionAuth

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →