Deploy Keycloak on your own server.

FusionAuth is a powerful, self-hosted identity and access management platform designed for developers. It provides a robust set of features, including user authentication, authorization, and user management, all accessible through a modern API or web interface. FusionAuth supports advanced features like social login, SSO, passwordless login, and multi-factor authentication.

Authorizer is a powerful tool designed to simplify the process of user authentication and authorization in your applications. It allows you to build secure apps 10x faster with its low code tool and low-cost deployment. With Authorizer, you have full control over your user data, which can be stored in your preferred database. The app supports multiple authentication recipes and allows you to authorize users based on your business roles. It is compatible with OAuth2 and OpenID APIs. Authorizer also offers secure session management with the best services baked in, including HTTP only cookies and Authorization Code flow for mobile-based authentication. It supports a wide range of databases, including major SQL, NoSQL, and GraphDBs. You can customize emails, configure webhooks for various events, and add an extra layer of security with email-based OTP for basic authentication. With Authorizer, you can deploy your authentication and authorization service anywhere with multiple deployment options. It is a comprehensive solution for all your authentication and authorization needs.

Authentik is an open-source Identity Provider focused on flexibility and versatility. It provides secure authentication, authorization, and user management with support for single sign-on (SSO), multi-factor authentication (MFA), and a modern user interface.