Top 20 NuGet Packages

OWIN host for Microsoft.AspNet.Loader.IIS. Minimum system requirements: Windows 7 or Windows Server 2008 R2, IIS 7.5 or IIS Express 7.5, and .NET 4.5.1. This is prerelease software and is provided without warranty or support.
Backport of Asp.Net core's policy based authorization to Asp.Net 4.
Backport of Asp.Net core's policy based authorization to Asp.Net 4 Mvc 5
Backport of Asp.Net core's policy based authorization to Asp.Net 4 WebApi 2
A compatibility layer for sharing authentication tickets between Microsoft.Owin.Security.Cookies and Microsoft.AspNet.Authentication.Cookies.
support OWIN
owin wx midcare
NengLong Unified Authentication Middleware For Mvc
NengLong Unified Authentication Middleware For WebApi
NengLong Unified Authentication Middleware For WeiXin
NRII open authentication provider for asp.net
Oauth2.0 Client
Oauth2.0 Server
Middleware that enables an application to support QQConnect OAuth 2.0 authentication workflow.
Sina open authentication provider for asp.net