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Keycloak VS IdentityServer4

Compare Keycloak VS IdentityServer4 and see what are their differences

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B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more! featured
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Keycloak logo Keycloak

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

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.
  • Keycloak Landing page
    Landing page //
    2022-03-20
  • IdentityServer4 Landing page
    Landing page //
    2023-01-04

Keycloak videos

+ Add

What is Keycloak and what are the main features | DevNation Live

More videos:

  • Review - Keycloak Overview
  • Review - Easily Secure Your Front and Back End app with Keycloak

IdentityServer4 videos

+ Add

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 Keycloak and IdentityServer4)

Keycloak

IdentityServer4

Identity And Access Management
96 96%
Identity And Access Management
4% 4
Identity Provider
96 96%
Identity Provider
4% 4
Network & Admin
0 0%
Network & Admin
100% 100
SSO
100 100%
SSO
0% 0

User comments

Share your experience with using Keycloak and IdentityServer4. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Keycloak and IdentityServer4

Keycloak Reviews

12 User Authentication Platforms [Auth0, Firebase Alternatives]
You can integrate Keycloak with your applications to have a single-sign-in and single-sign-out experience. Moreover, one can activate social logins without any modification in code. Additionally, it allows user authentication via existing OpenID Connect or SAML 2.0
Source: geekflare.com
10+ Open-source Single-Sign On (SSO) Solutions
Keycloak is a free, open-source identity and access management system with highly configurable Single-Sign-On (SSO) support.
Source: medevel.com
10 Best Auth0 Alternatives and Similar Platforms
Keycloak may be quite beneficial because it provides a built-in method for syncing with databases, such as LDAP or Active Directory, when your users already are registered on. If you use Social Login for social platforms such as Facebook, Keycloak might be a great tool for your organization.
Source: www.regendus.com
Top 5 Open Source Single Sign-On Software In the Year 2021
KeyCloak is another free software that is based on OpenID Connect, OAuth2.0, and SAML2.0. It provides SSO capabilities across web applications and web services. Above all, this open source software provides integrations with LDAP and Active Directory. There is a logical user interface where users can manage roles, permissions, and sessions. Moreover, this free solution...
Source: blog.containerize.com
IAM: A comparison of open-source tools
/ Digitalberry news / IAM: A comparison of open-source toolsIAM: A comparison of open-source toolsWhy use an Identity Provider (IdP)?Comparative study of Identity Providers (IdP)1. Our team’s first choice: Keycloak2. In second place of our comparative study: Gluu3. Special mention: FusionAuthDiscover our expertiseContact our experts
Source: www.digitalberry.fr

IdentityServer4 Reviews

We have no reviews of IdentityServer4 yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Keycloak seems to be more popular. It has been mentiond 4 times 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.

Keycloak mentions (4)

  • Beyond the login page
    Most of the time nowadays, I prefer offloading this to an identity provider, using OpenID Connect or soon Federated Credential Management (FedCM), even if that means shipping an identity provider as part of the deliverables (I generally go with Keycloak, with keycloak-config-cli to provision its configuration). I'm obviously biased though as I work in IT services, developping software mainly for... - Source: dev.to / 5 months ago
  • Okta Says Hackers Stole Data for All Customer Support Users
    Yet another breach of Okta... Why are companies not running something like keycloak [1] themselves? Are administrative/maintenance costs too high or is it plausible deniability? [1] https://keycloak.org. - Source: Hacker News / 5 months ago
  • I built a ready-to-use auth server with TypeScript and Express.js
    I'd stick with a solution like https://keycloak.org in that instance. Source: about 1 year ago
  • Authelia is an open-source authentication/authorization server with 2FA/SSO
    A few more projects in this space: - Keycloak (you won't get fired for picking this)[0] - CloudFoundry's UAA[1] - Gluu [2] - Keratin [3] - OpenUnison [4] - Dex[5] - Netlify's GoTrue[6] All of these solutions are a bit different but here are some of the axes: - Whether or not they function as an OAuth provider - Whether they're centered around application-user-login (email + password) or application auth (OAuth) or... - Source: Hacker News / about 3 years 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 Keycloak and IdentityServer4, you can also consider the following products

Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.

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.

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

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.

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

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

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