Free Okta Alternatives

Open Source Identity and Access Management for modern Applications and Services.

You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method used to authenticate the users of that application:

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 Cloud Platform and get started in minutes.

Azure Active Directory is a comprehensive identity and access management cloud solution that provides a robust set of capabilities to manage users and groups.

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.

The Gluu Server is a container distribution of free open source software (FOSS) for identity and access management (IAM).

An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.0 framework for ASP.NET Core.

Civic’s mission is to provide every person on Earth with a digital identity that they can use to interact privately and securely with the world.

ZITADEL provides you with all the features necessary to build great solutions, without the need of building the login and access management yourself.

Cloud-based directory services. Alternative to Microsoft Active Directory. Provides LDAP-as-a-Service, RADIUS-as-a-Service. Authenticates, authorizes, and manages employees, their devices and IT applications.