thinktecture 

Helper library for identity & access control in .NET 4.0/WIF and .NET 4.5 (includes MVC4 and Web API support).

Helper library for claims based identity & access control in .NET.

Client library of Thinktecture.IdentityModel. Includes OAuth2 and OpenID Connect client and helpers for parsing token and authorize responses, Epoch Time helpers, extensions methods for HttpClient.

IdentityServer is a framework and a hostable component that allows implementing single sign-on and access control for modern web applications and APIs using protocols like OpenID Connect and OAuth2. It supports... More information

Access token validation middleware for JWT and reference tokens issued by IdentityServer3.

OWIN middleware for providing a resource/action based authorization manager.

Helper library for claims based identity & access control in ASP.NET Web API v2.

Helper library for claims based identity & access control in OWIN/Katana based applications.

Web API intgration package for resource/action based authorization.

Thinktecture IdentityServer Core Libraries for Re-Hosting (for IdentityServer v2)

MVC intgration package for resource/action based authorization.

OWIN middleware for validating OAuth2 and OpenID Connect scope claims.

Embedded and easy to use WS-Federation STS for ASP.NET with minimal configuration. Can be used as a replacement for the deprecated "Identity and Access Control" Visual Studio extension.

Entity Framework-based persistence layer for IdentityServer3

OWIN middleware for doing claims transformation in OWIN/Katana applications.

Helper library for claims based identity & access control in ASP.NET and MVC5.

OWIN middleware for HTTP Basic Authentication in OWIN/Katana applications.

ASP.NET Identity support for IdentityServer3

MembershipReboot support for IdentityServer3

WS-Trust helpers and bindings for WCF