Top Alternatives to FusionAuth in 2026

Amazon Cognito

★ 1.0

Amazon Cognito lets you add user sign-up/sign-in and access control to your web and mobile apps quickly and easily. Cognito scales to millions of users, and supports sign-in with social identity providers such as FB, Google, and Amazon, and SAML 2.0.

AWS Identity and Access Management

★ 1.8

With AWS Identity and Access Management (IAM), you can specify who or what can access services and resources in AWS, centrally manage fine-grained permissions, and analyze access to refine permissions across AWS.

Bergx

★ 2.8

Quickly release your next application by leveraging pre-built modules as a service. Bergx helps you focus on building the features your customers are excited about by providing the "under-the-surface" features for you.

devolute.cloud

★ 1.9

Devolute.cloud is the only solution on the market that provides Identity Management, Workflow Management, Process Automation, Application Integration, Enterprise Search and Low-code Business Applications in one platform.

Hanko

Hanko is an open source authentication and user management solution that takes you on the journey beyond passwords. For better security, higher conversion rates, and happier users.

JustAuthenticateMe

★ 2.7

JustAuthenticateMe offers a simple authentication-as-a-service for your web apps. It uses magic links in emails as a way to verify identity so that neither you nor your users have to worry about passwords.

Login-Master

★ 2.9

With the extensions of Keycloak+, enterprise requirements are fullfilled like: Delegated Administration, management of permissions in organizational structures, SCIM 2 provisioning, User Life Cycle / Housekeeping, GDPR/data protection/Audit and many more IAM features, for...

Meveto Inc

★ 2.5

Meveto is an authentication company that completely removes the use of passwords - eliminating one of the biggest threats to any organization's security and hacker's favorite way to breach.

Octauthent

★ 1.3

No-code authentication service. Octauthent can help you secure any website with a login form, without a single line of code.

Okta

Okta's Workforce and Customer Identity Clouds enable secure access, authentication, and automation—putting identity at the heart of business security and growth.

Ory

★ 1.8

Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Network and get started in minutes.

Sawo Labs

SAWO is an authentication solution which helps websites and apps onboard user without passwords and OTPs thus reducing bounce rate and increasing conversion.

Stack Auth

★ 2.4

Stack is an open-source, self-hostable, and highly customizable authentication and user management system.

Userfront

★ 2.5

Userfront makes it easy to add authentication, access control, SSO, and multi-tenancy to any web application.