Top 20 NuGet Security Packages

ASP.NET Core Library for The Identity Hub. The Identity Hub makes it easy to connect your app to all major identity providers like Microsoft, Facebook, Google, Twitter, Linked In and more. For more information see https://www.theidentityhub.com

AWS Provider extension for ACMESharp

An easy to use OAuth 2 authentication provider for ASP.NET MVC5 and OWIN.

A .NET Core client library for Google Play Services OAuth / forked from vemacs/GPSOAuthSharp - Add linux and Mac support

Genuine Channels is a high-end transport environment accessible through .NET Remoting and Direct eXchange Manager (DXM) API. Besides offering steady connections in any environment thanks to configurable reconnect feature, Genuine Channels support communication with clients located behind firewalls, ...

simple, no database required authentication for ASP.NET Core

Azure authentication using Azure Graph and the 2.0 endpoints support for ServiceStack. This package includes OrmLite implementations of the required services to support multi-tenant Azure authentication in your ServiceStack app.

Azure authentication using Azure Graph and the 2.0 endpoints support for ServiceStack. This package includes client models, request objects and interface declarations.

Stormpath middleware for ASP.NET 4.5+. Easily add authentication and authorization to ASP.NET applications.

.NET and Xamarin libraries for the AeroGear Mobile Core

Another Implementation of the Twilio's Authy 2FA Api for .Net Framework

.NET and Xamarin libraries for the AeroGear Mobile Core

Suplex.Security is an application security and RBAC abstraction Layer. Implments hierarchical DACL model and common RBAC model. Suitable for use in any application/API. Suplex.Security FileSystemDal wraps the MemoryDal for file persistence.

The Cuemon.AspNetCore.Authentication namespace contains types that enable support for authentication using the concept of an Authenticator, AuthorizationHeader and (to tie the knots) an AuthorizationHeaderBuilder. The namespace is an addition to the Microsoft.AspNetCore.Authentication namespace.

ASP.NET 5 Authentication Middleware using OAuth 2.0 Introspection (rfc7662)