Auth

FusionAuth

Self-hosted, enterprise-grade identity platform with full lifecycle user management.

Overview

FusionAuth delivers a complete identity suite with registration, login, MFA, and user administration, designed for teams that want zero vendor lock-in. It ships as open-source software with a Docker-ready runtime and a commercial cloud option. The platform includes an admin UI, API client libraries, and granular role/group management.

Best for

self-hosted control
full lifecycle user management
data sovereignty requirements

Trade-offs

vs Supabase Auth

FusionAuth gives complete control over schemas, flows, and self-hosting; Supabase offers zero-config DB integration, instant setup, and a broader managed backend ecosystem.

What XeroHack pre-wires

When you pick FusionAuth in the interview, the engine emits these files into your scaffold:

Docker compose
React UI
API clients
Init scripts

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