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Welcome to IdentityServer

see here for documentation.


This organization is not maintained anymore besides critical security bugfixes (if feasible). This organization will be archived when .NET Core 3.1 end of support is reached (3rd Dec 2022). All new development is happening in the new Duende Software organization.

The new Duende IdentityServer comes with a commercial license but is free for dev/testing/personal projects and companies or individuals making less than 1M USD gross annnual revenue. Please get in touch with us if you have any question.



  1. OpenID Connect and OAuth 2.0 Framework for ASP.NET Core

    C# 8.8k 3.6k

  2. Starter UI for in-memory IdentityServer4

    C# 873 404

  3. dotnet new templates for IdentityServer4

    C# 661 217

  4. Demo instance of IdentityServer4

    C# 278 226


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