GitHub - IdentityServer/IdentityServer4: OpenID Connect and OAuth 2.0 Framework for ASP.NET Core
Using IdentityServer4 Auth in ServiceStack
c# - IdentityServer4 .net core, is it possible to protect controllers on the same IdentityServer with a token generated from the same server? - Stack Overflow
Using NCache as IdentityServer4 Cache and Data Store
The Big Picture — IdentityServer4 1.0.0 documentation