Top 20 NuGet authentication Packages

This library simplifies the task of adding Role and Permission based Authorization to your WebApi projects using Auth0.
A common base ASPSecurityKit library for ASP.NET (MVC/Web API) and ASP.NET Core. You should also install one of the platform specific packages such as ASPSecurityKit.NetCore, ASPSecurityKit.NetFramework.Mvc or ASPSecurityKit.NetFramework.WebApi. To get started Visit https://ASPSecurityKit.net/...
Zero-trust security for every web app. Protect your ASP.NET Core MVC web apps or RESTful APIs with a multi-stage security pipeline that includes XSS detection, authentication, IP firewall, two-factor, activity/data authorization, account verification and suspension checks. To get started Visit https...
OAuthServer.NET is a simple yet scalable OAuth 2.0 provider for the 4 standard types of OAuth 2.0 as well as custom grants. OAuthServer.NET supports implicit, authorization code, resource owner password, and client credentials as well as 3rd party logins. OAuthServer.NET is integrated with the Asp.N...
OAuthServer.NET is a simple yet scalable OAuth 2.0 provider for the 4 standard types of OAuth 2.0 as well as custom grants. OAuthServer.NET supports implicit, authorization code, resource owner password, and client credentials as well as 3rd party logins. OAuthServer.NET is integrated with the Asp.N...
ASP.NET Core security middleware enabling Lichess authentication.
eIDEasy ID-card embedded external authentication for ASP.NET Core applications.
Helper library for claims based identity & access control in ASP.NET Web API v2.
A SAML2 Owin middleware, compatible with ASP.NET Identity for external logins.
A SAML2 Http Module for ASP.NET. Install in project and add sections to web.config. No coding required. The package adds an ASP.NET Http Authentication Module that handles the SAML SignIn and SignOut. It works with the claims model of .NET 4.5 and uses the present infrastructure for claims translati...
Middleware for doing claims transformation in OWIN/Katana applications.
An easy to use OAuth 2 authentication provider for ASP.NET WebAPI 2. This package lets you add OAuth authentication to your API quickly and securely.
The official Stormpath SDK for .NET
A ServiceStack plugin for IdentityServer.
Authentication middleware that uses Firebase token (issuer / audience) as authentication for Mvc/Api controllers. The jwt validation validate the issuer and audience (firebase project), the token signature (using google certificates) and the token validity.
LinkedIn authentication handling across Xamarin.iOS and Xamarin.Android
A basic HTTP authentication provider for Nancy.
Claims-based user account and identity management framework
A SAML2 Service Provider for ASP.NET MVC. Install in project and add sections to web.config. No coding required. The package adds an MVC controller that handles the SAML SignIn and SignOut. It works with the claims model of .NET 4.5 and uses the present infrastructure for claims translation, session...
Helper library for claims based identity & access control in OWIN/Katana based applications.