Auth0: Identity is Complex. Deal with it.
User ManagementFree plan available
- Universal login & access control
- SDKs & quickstarts
- AI-ready security for agents
Best FusionAuth Alternatives in 2026
3 similar tools you can use instead of FusionAuth, with pricing and key features.
FusionAuth
Authentication & User Management Software
User ManagementFree plan available
- Registration & Login
- Single Sign-On
- Passkeys
- Multi-Factor Authentication (MFA)
- API Authorization
- Role-Based Access Control (RBAC)
FusionAuth alternatives
Authentication and User Management
User ManagementFree plan available
- Drop-in UI Components
- Organization Management
- Billing & Pricing Integration
Your app, Enterprise Ready.
User ManagementFree plan available
- Auth for all SSO providers
- Complete User Management
- AuthKit
Frequently Asked Questions
What is FusionAuth?
FusionAuth is a User Management tool: Authentication & User Management Software. It has a free plan. Key features include Registration & Login, Single Sign-On, Passkeys, Multi-Factor Authentication (MFA), API Authorization and Role-Based Access Control (RBAC).
Are there free alternatives to FusionAuth?
Yes. Auth0, Clerk and WorkOS have a free plan. FusionAuth also has a free plan.