Top 20 NuGet owin Packages

Provides a set of helper types and abstractions for simplifying the creation of OWIN components.
This package contains the components to enable Cross-Origin Resource Sharing (CORS) in OWIN middleware.
Middleware that enables an application to support Facebook's OAuth 2.0 authentication workflow.
Contains middlewares to support Google's OAuth 2.0 authentication workflow.
Middleware that enables an application to use cookie based authentication, similar to ASP.NET's forms authentication.
Common types which are shared by the various authentication middleware components.
Middleware that enables an application to use Microsoft's technology for authentication.
Middleware that enables an application to support Twitter's OAuth 2.0 authentication workflow.
WebApiThrottle message handler and action filter are designed for controlling the rate of requests that clients can make to an API based on IP address, client API key and request route. WebApiThrottle works with ASP.NET Web API hosted is IIS, Owin with IIS and Owin self-hosted.
OpenID Connect server middleware for OWIN/Katana.
OAuth2 introspection middleware for OWIN/Katana.
Provides default infrastructure types for hosting and running OWIN-based applications.
This package contains OWIN middleware that handle requests for file system resources including files and directories.
Workaround Middleware for Katana Bug #197
ASP.NET Core component for running OWIN middleware in an ASP.NET Core application, and to run ASP.NET Core middleware in an OWIN application. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/e1ad9117a4dac3b0f5f2a7e2b10b43b7016379b9
Access token validation middleware for JWT and reference tokens issued by IdentityServer3, based on JWT 5, Owin 4 and IdentityModel 4
IT Hit WebDAV Server Context for projects that use IOwinContext.
OAuth2 validation middleware for OWIN/Katana.
OWIN/Katana hosting extensions for ASP.NET Core.
Contains build engine plugins that allow the application to define endpoints that respond to RESTful requests