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Alternative to auth0 and OAuth 2.0

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In this article at OpenGenus, we are going to talk about auth0 and OAuth 2.0, what each one of them do and what are the alternatives for them. We have to remember that everything related to software development has its pros and cons.

So we are going to talk about what are the alternatives for auth0, should you implement your own log system? Should you use the AWS, azure or google identity system? Or just continue using auth0? And what is OAuth 2.0 for? What are the alternatives to it and why should you use it.

Table of contents:

  • What is Auth0?: Understanding what is Auth0
  • What is OAuth 2.0?: Understanding what is OAuth 2.0
  • OAuth 2.0 vs Auth0: A comparison between OAuth 2.0 and Auth0
  • Why should you implement your identity system?: Reasons for implementing your own identity system
  • Comparing Auth0 with other identity management platforms: A comparison of Auth0 with other identity management platforms
  • Comparing OAuth 2.0 with other protocols for authorization: A comparison of OAuth 2.0 with other authorization protocols

What is Auth0?

Auth0 is a user authentication and authorization service that simplifies the process of adding secure login functionality to your applications. It provides a straightforward way to manage the security of your application by handling user registration, login, and authorization tasks. With Auth0, you can easily integrate authentication features into your code, streamlining the process and saving you time and effort.

What is OAuth 2.0?

OAuth 2.0 is one of the industry-standard protocol for authorization. It uses authorization tokens to prove the identity of the user between consumers and service providers, all this without giving away your password.

OAuth 2.0 vs Auth0

OAuth 2.0:

  • OAuth 2.0 is an open standard framework for authorization, allowing users to grant third-party applications access to their resources without sharing their credentials.
  • It focuses specifically on authorization and does not handle user authentication directly. Instead, it relies on authentication services like Auth0 or other identity providers.


  • Auth0 is an identity management platform that provides a comprehensive set of authentication and authorization features.
  • It simplifies the implementation of authentication and authorization in applications, providing features like user management, social login integration, multifactor authentication, and more.

Why should you implement your identity system?

When you are a full stack or back end developer, you should understand how the process of identifying ad authorizing your user works. That doesn’t mean that you should implement the identity management system all the time, but before using another this management platform, you should be able to make your own.

Developing your own system is not only good for your learning process, but it’s a great way of personalizing your log system the way you want. There is a main disadvantage that you may encounter when implementing a system, optimizing this log system in, you have to think about the velocity of a query, and how data is going to be stored (when using this identity management platform it is usually a cloud service or self-hosted solution).

Comparing auth0 with others identity management platforms.

  • Auth0
  • Azure Active Directory
  • Google Cloud Identity Platform



  • The customization of auth0 is great when you are expecting to meet specific needs.
  • There is an extensive integration capabilities of third-party applications and different services.


  • The paid version is more expensive compared to other identity management platforms.
  • It is required for the developer to have knowledge about JavaScript and web development.
  • The support for common users is not very good.



  • AWS IAM has native AWS service integrations.
  • It has several great security features, such as MFA, granular access controls and encryption.
  • As it is an AWS service, the scalability and performance available are amazing.


  • The primary focus of AWS IAM is managing access to AWS resources, so it doesn’t provide a lot of features.
  • The setup configuration can be complex and requires expertise in AWS architecture and security.

Azure Active Directory:


  • It has native integration with Microsoft ecosystem.
  • Similarly to AWS, it has robust security features, including multifactor authentication, conditional access policies and identity protection.
  • It also has Singles Sign-On , which allow users to access multiple applications and services with singles set of credentials.


  • It is complex to integrate Azure Active Directory with non Microsoft environments.
  • Compared to Auth0, the customization of the environment is very limited.
  • The documentation and learning resources are very limited compared to other services.

Google Cloud Identity Platform:


  • It has great integration with Google Cloud services
  • The scalability that google cloud offers is great for applications with growing demands.
  • It provides easy integration with Google sign-in
  • Supports industry standard Oath 2.0 and OpenID connect protocols.


  • Has limited third-party application integration.
  • Setting up and configuring the environment for non-google cloud users, it’s complex.

Comparing OAuth 2.0 with others protocols for authorization

  • OAuth 2.0
  • OpenID Connect
  • SAML

OAuth 2.0:


  • It is widely adopted, and it is a standard for authentication.
  • Offers a flexible and scalable authentication, with a wide range of application scenarios and use cases.
  • Has Third-Party integration with other services and APIs.


  • Implementing can be complex at first.
  • If not implemented properly, can have security risks.
  • Relies on external service providers.

OpenID Connect:


  • It combines authentication and authorization in a single protocol.
  • Provides standardized identity information.


  • Compared to OAuth, 2.0 requires additional effort because of the complexity.
  • Has limited use cases, not providing more features to complex authorization scenarios.



  • Has a wide adoption in enterprise environments.
  • Allow more granular authorization decisions based on user attributes.
  • Enables SSO across multiple applications.


  • It is a complex protocol.
  • Has limited RESTful support.
  • Requires additional backend infrastructure

With this article at OpenGenus, you must have a strong idea of Alternatives to auth0 and OAuth 2.0.

Alternative to auth0 and OAuth 2.0
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