IdentityServer is described as 'An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.0 framework for ASP.NET Core' and is an app. There are more than 10 alternatives to IdentityServer for a variety of platforms, including Web-based, Self-Hosted, SaaS, Linux and Mac apps. The best IdentityServer alternative is Keycloak, which is both free and Open Source. Other great apps like IdentityServer are authentik, Auth0, Clerk Authentication and Okta.
Open Source Identity and Access Management for modern Applications and Services.
Keycloak is the most popular Linux & Self-Hosted alternative to IdentityServer.
Keycloak is the most popular Open Source & free alternative to IdentityServer.
authentik is an open-source identity provider focused on flexibility and versatility.
authentik is the most popular Mac alternative to IdentityServer.
You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method used to authenticate the users of that application:
Auth0 is the most popular Web-based alternative to IdentityServer.
Clerk is more than a "sign-in box." Integrate complete user management UIs and APIs, purpose-built for React, Next.js, and the Modern Web.
Clerk Authentication is the most popular SaaS alternative to IdentityServer.
Okta's Workforce and Customer Identity Clouds enable secure access, authentication, and automation—putting identity at the heart of business security and growth.
Okta is the most popular commercial alternative to IdentityServer.
With AWS Identity and Access Management (IAM), you can specify who or what can access services and resources in AWS, centrally manage fine-grained permissions, and analyze access to refine permissions across AWS.
Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Network and get started in minutes.
Ory is the most popular Windows, Android, iPhone & iPad alternative to IdentityServer.
OpenIddict aims at providing a versatile solution to implement an OpenID Connect server and token validation in any ASP.NET Core.
All-in-one access management solution providing strong and adaptive authentication, authorization, single sign-on (SSO), entitlements, federation and web services security.
With the extensions of Keycloak+, enterprise requirements are fullfilled like: Delegated Administration, management of permissions in organizational structures, SCIM 2 provisioning, User Life Cycle / Housekeeping, GDPR/data protection/Audit and many more IAM features, for...
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