Software Alternatives & Reviews

OpenID VS IdentityServer4

Compare OpenID VS IdentityServer4 and see what are their differences

OpenID logo OpenID

OpenID is a safe, faster and easier way to log in to web sites.

IdentityServer4 logo IdentityServer4

IdentityServer4 is an elegant open-source server that comes with great authentication which allows you to implement OpenID connection and OAuth standards designed for the ASP.NET core.
  • OpenID Landing page
    Landing page //
    2023-06-20
  • IdentityServer4 Landing page
    Landing page //
    2023-01-04

OpenID videos

An Introduction To OpenID Connect

More videos:

  • Review - OAuth 2.0 and OpenID Connect (in plain English)
  • Review - What is Microsoft identity platform OpenID Connect certified? | One Dev Question: Hirsch Singhal

IdentityServer4 videos

Introduction to IdentityServer4 for ASP NET Core Part I

More videos:

  • Review - IdentityServer4: New & Improved for ASP.NET Core - Dominick Baier

Category Popularity

0-100% (relative to OpenID and IdentityServer4)
Identity And Access Management
Network & Admin
63 63%
37% 37
Security & Privacy
69 69%
31% 31
Identity Provider
63 63%
37% 37

User comments

Share your experience with using OpenID and IdentityServer4. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, OpenID seems to be more popular. It has been mentiond 1 time since March 2021. 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.

OpenID mentions (1)

  • Bluesky partners with Namecheap to power domains as usernames
    Certainly _buying_ domain names to be your identity is new, but OpenID[1] was doing basically that 15 years ago. Add a few meta tags to your website homepage, use that homepage as your "identity" to log in to websites, and they'd up your configured identity provider to do the login & request name/email/whatever else. You weren't locked in to a particular provider, since you logged in as _your_ webpage and could... - Source: Hacker News / 10 months ago

IdentityServer4 mentions (0)

We have not tracked any mentions of IdentityServer4 yet. Tracking of IdentityServer4 recommendations started around Jul 2021.

What are some alternatives?

When comparing OpenID and IdentityServer4, you can also consider the following products

OAuth - OAuth is an open standard for authorization. It allows users to share their private resources (e.g.

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.

BugMeNot - BugMeNot is a free Internet service that provides usernames and passwords to allow users to bypass the registration process for websites.

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

humanID - humanID is a one-click anonymous SSO that provides users with an anonymous identity layer.

DotNetOpenAuth - DotNetOpenAuth is a free-to-use compiled library that comes with the real support to your site visitor to login with the help of openIDs via getting control of the ASP.NET control onto the page.