FusionAuth
FusionAuth is an authentication and user management platform covering login, MFA, SSO and user directories, available as a free, self-hosted Community edition or as a hosted service. Hosted plans start at $162 a month (billed annually) for the Starter tier with premium authentication capabilities like advanced MFA.
Facts checked on against the sources listed at the end of this page.
- Pricing
- FreemiumPaid from $162 a month billed annually (Starter, hosted)
- Open source
- NoFree Community edition; paid tiers proprietary
- npm downloads a week
- 76.5kdown 7% on the week before
A good fit for
- Teams that want a free, self-hosted authentication platform with unlimited users
- Organizations wanting the option to move between self-hosting and a managed hosted service
- Applications needing advanced MFA and SSO management on paid tiers
- Regulated or enterprise organizations needing advanced threat detection and dedicated support
Not a good fit for
- Teams wanting the lowest-cost hosted option, since Starter's $162 a month is higher than some competing hosted auth services' entry tiers
- Non-technical teams that don't want to manage self-hosted infrastructure
- Very small projects that just need a simple, low-cost hosted signup flow without self-hosting
FusionAuth pricing
The Community edition is free and self-hosted, with unlimited users and core authentication features. Starter is $162 a month billed annually with premium authentication capabilities and basic hosting. Essentials is $2,970 a month billed annually with advanced features and email support. Enterprise starts at $2,970 a month billed annually, adding advanced threat detection, SSO management and 24/7 support.
| Plan | Price | What you get |
|---|---|---|
| Community (self-hosted) | $0 | Core authentication features, unlimited users, self-hosted. |
| Starter | $162/month (billed annually) | Premium authentication capabilities, advanced MFA, basic hosting. |
| Essentials | $2,970/month (billed annually) | Advanced features, email support, business-tier hosting. |
| Enterprise | From $2,970/month (billed annually) | Advanced threat detection, SSO management, 24/7 support. |
Prices in USD, checked on 27 September 2026. Current prices on fusionauth.io.
Main features
- Self-hosted Community edition
- Free, unlimited-user authentication you can deploy on your own infrastructure.
- Multi-factor authentication
- Advanced MFA options available on paid tiers.
- Single sign-on
- SSO support, with SSO management on higher tiers.
- Hosted option
- Managed hosting available for teams that don't want to self-host.
- Threat detection
- Advanced threat detection available on the Enterprise tier.
About FusionAuth
FusionAuth provides authentication and user management infrastructure, including login flows, multi-factor authentication, single sign-on and user directory management, aimed at developers who want to avoid building this infrastructure themselves.
The Community edition is free and can be self-hosted on your own infrastructure with unlimited users, covering the core authentication standards and features most applications need.
Paid hosted tiers add premium capabilities like advanced MFA, business-tier hosting, and for higher tiers, advanced threat detection, SSO management, and dedicated support up to 24/7 phone and email support with solution architect guidance.
- Made by
- FusionAuth
- Free plan
- Yes: Community edition is free and self-hosted with unlimited users
- Available on
- Self-hosted, Hosted cloud, API, SDKs for major languages/frameworks
Usage and activity
Weekly npm downloads of @fusionauth/typescript-client, last 12 months.
FusionAuth alternatives
Questions about FusionAuth
Is FusionAuth free?
Yes, the Community edition is free and self-hosted with unlimited users.
Can I use FusionAuth without self-hosting?
Yes, hosted plans start at $162 a month billed annually for the Starter tier.
Does FusionAuth support SSO?
Yes, with SSO management available on higher-tier plans.
Sources and links
Work on FusionAuth? Claim this listing. Something wrong or out of date? Suggest a correction. Stats come from the public GitHub and npm APIs and update every day.