All-in-one access management solution providing strong and adaptive authentication, authorization, single sign-on (SSO), entitlements, federation and web services security.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
Apps similar to IdentityServer include Keycloak, which is free and open source. Other options are authentik, Phase Two, Auth0 and Clerk Authentication. You can choose from more than 10 Identity Management Tools like IdentityServer for the web, self-hosting, Linux, Android and Mac.
All-in-one access management solution providing strong and adaptive authentication, authorization, single sign-on (SSO), entitlements, federation and web services security.
Auth for AI agents and humans. First-class agent identity, MCP OAuth 2.1, delegation, audit. TypeScript, edge-native, MIT.




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...
Identity solution supporting passwordless, biometrics, social logins, enterprise SSO, and multi-factor authentication. Offers customizable flows, admin portal, audit logging, brute-force protection, compliance, APIs, SDKs, cloud and self-hosted options for web and mobile.



Unified APIs and SDKs enable Single Sign-On, Directory Sync, passwordless and multi-factor authentication, audit logs, user management, user provisioning, webhook event handling, and admin portal setup for integration with major identity providers and SaaS platforms.



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