Software Alternatives & Reviews

IdentityServer VS Auth0

Compare IdentityServer VS Auth0 and see what are their differences

IdentityServer logo IdentityServer

An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.x framework for ASP.NET Core

Auth0 logo Auth0

Auth0 is a program for people to get authentication and authorization services for their own business use.
  • IdentityServer Landing page
    Landing page //
    2023-02-03
  • Auth0 Landing page
    Landing page //
    2023-09-19

IdentityServer videos

Federated Identity: An intro to OAuth2, Open Id Connect & Duende IdentityServer 5 | Anthony Nguyen

More videos:

  • Review - There's an IdentityServer in my API project - Anders Abel

Auth0 videos

GraphQL, Hasura, Apollo, and Auth0 for Vuejs developers by Devlin Duldulao

More videos:

  • Review - Auth0: Identity Made Simple for Developers
  • Review - Easy Secure APIs with LoopBack and Auth0

Category Popularity

0-100% (relative to IdentityServer and Auth0)
Identity And Access Management
Identity Provider
6 6%
94% 94
SSO
5 5%
95% 95
Network & Admin
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare IdentityServer and Auth0

IdentityServer Reviews

10+ Open-source Single-Sign On (SSO) Solutions
If you are looking for a certified and complaint system to OpenID Foundation, with .Net technologies, then IdentityServer is your answer.
Source: medevel.com
Top 5 Open Source Single Sign-On Software In the Year 2021
IdentityServer is an open source free single sign-on software. It is a cross-platform framework based on OpenID Connect and OAuth 2. Further, this open source software provides central authentication and authorization capabilities for multiple applications. It supports federated identities, multiple flows, and API authorization. Moreover, this self hosting software enables...

Auth0 Reviews

Top 10 Best SAML Identity Providers List for SSO (Pros and Cons)
Launched in 2013, Auth0 is a product unit under Okta. One of the reliable SaaS solutions to take a modern approach to application authentication and identity management. With Auth0, IT admins can connect any application and define its integrations and external identity providers to be used.
12 User Authentication Platforms [Auth0, Firebase Alternatives]
But since user data is a lot more serious than wasting a pepperoni pizza, let’s check out some user authentication platforms. And while an average business person will straightaway run towards Auth0 or Firebase, there are others as well.
Source: geekflare.com
Top 11 Identity & Access Management Tools
If you are already using a major cloud platform like Azure, Google Cloud, or AWS, you should probably start by seeing if their solutions meet your needs. If you’re developing an application, something like Auth0 might be the best choice.
Source: spectralops.io
Best identity access management software 2022
Auth0, founded in 2013 and acquired by Okta in May 2021 for $6.5 billion, is a respected alternative for developers who want to create a secure login experience for their personal applications. It is a next-gen identity management platform for web, mobile, IoT, and internal applications.
Source: www.zdnet.com
10 Best Auth0 Alternatives and Similar Platforms
Auth0 is a developer-friendly identification platform. You can simply integrate social login, multi-factor authentication, passwordless login, single sign-on, and other features into your mobile app or online application with Auth0. However, there are Auth0 alternatives that do the exact same thing with an extra flair.

Social recommendations and mentions

Based on our record, Auth0 seems to be a lot more popular than IdentityServer. While we know about 175 links to Auth0, we've tracked only 7 mentions of IdentityServer. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

IdentityServer mentions (7)

  • Identity server 4
    Its deprecated in favor of Duende Identityserver which introduced a license model. Source: 5 months ago
  • How does cookie based authentication work?
    Tokens usually have a lifetime and they are separate from the user's authentication principals like username and password. Unless you are rolling your own form of token provider (not something that would be recommended) the token creation is handled for you. Take a look at https://identityserver4.readthedocs.io/en/latest/ or if your organization makes under 1M in income a year the free version of what Identity... Source: over 1 year ago
  • ImageSharp leaving the .NET Foundation due to licensing change
    I think Duende (Identity Server) handled the situation pretty well. https://duendesoftware.com/products/identityserver > Standard License Pricing. - Source: Hacker News / over 1 year ago
  • Why is authentication such a sh*t show with .NET 6?
    He's referring to IdentityServer 3/4, which was open sourced, and was not owned by Microsoft. That 3rd party is commercializing their work (and to be fair, it's a lot of work) as https://duendesoftware.com/products/identityserver , and has a different commercial licensing model. Source: almost 2 years ago
  • Show HN: Open-Source Identity Server Written in Go (Ory Kratos)
    I think "Identity Provider" is more correct, no? "IdentityServer" is the name of a specific IdP implemented in .NET (formerly OSS as https://identityserver4.readthedocs.io/en/latest, and now as a more commercial form as Duende IdentityServer: https://duendesoftware.com/products/identityserver). - Source: Hacker News / almost 2 years ago
View more

Auth0 mentions (175)

  • Unit Testing Auth0 Custom Database Scripts
    Welcome, fellow developers! Today I want to present you a step-by-step technique on how to test Auth0’s custom actions and databases in Javascript. For those of you who don’t know Auth0, it’s an identity management platform that you can connect to your existing or new applications, and configure it to easily provide authentication and authorization mechanisms. It’s one of the easiest solutions for IAM nowadays. - Source: dev.to / about 2 months ago
  • What is really an API? Examples, Code + History
    For example, you can rely on the powerful OAuth by Okta to handle your Auth services, Flutterwave payment gateway to accept payment, and Google Firebase Messaging to manage notifications. - Source: dev.to / 2 months ago
  • The 2024 Web Hosting Report
    For the third, examples here might be analytics plugins in specialized databases like Clickhouse, data-transformations in places like your ETL pipeline using Airflow or Fivetran, or special integrations in your authentication workflow with Auth0 hooks and rules. - Source: dev.to / 3 months ago
  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    Auth0 — Hosted SSO. Up to 7000 active users and two social identity providers. - Source: dev.to / 3 months ago
  • Multi client authentication with auth0 and oauth2-proxy
    Authentication providers like Auth0 and Okta have become commonplace in software development. These providers help take this work off of your plate, and this can be made even easier by using a reverse proxy that provides authentication capabilities, like oauth2-proxy. - Source: dev.to / 3 months ago
View more

What are some alternatives?

When comparing IdentityServer and Auth0, you can also consider the following products

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

Okta - Enterprise-grade identity management for all your apps, users & devices

ASP.NET Identity - ASP.NET Identity is a membership-based software system designed for the authentication and authorization of the users via building an ASP.NET application.

OneLogin - On-demand SSO, directory integration, user provisioning and more

Okta Workforce Identity - Okta Workforce Identity is utility software for enterprises that provides a new way of work that enable your employees, contractors, and partners to use technology on any device.

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