Top 20 NuGet authentication Packages

ASP.NET Core security middleware enabling Paypal authentication.
ASP.NET Core security middleware enabling Instagram authentication.
ASP.NET Core security middleware enabling Autodesk authentication.
ASP.NET Core security middleware enabling Weixin authentication.
ASP.NET Core security middleware enabling Amazon authentication.
A library which adds support for HMAC authentication in ASP.NET Core projects.
ASP.NET Core middleware that enables an application to support certificate authentication.
This code allow to fake a Jwt Bearer and build integration test for ASP.Net Core application. By this way we can fake any authentication we need, without the need to really authenticate a user.
Entity Framework storage for Rsk.IdentityServer4.Saml
OWIN middleware for providing a resource/action based authorization manager.
Provides ADAL based authentication for Azure management client libraries
ASP.NET Core middleware that enables an application to use cookie based authentication. This package was built from the source code at https://github.com/aspnet/Security/tree/93926543f8469614c2feb23de8a8c0561b8b2463
OpenIddict's default entities, used by the Entity Framework 6.x and Entity Framework Core stores.
ASP.NET Core authentication middleware for Steam.
ASP.NET Core authentication middleware for OpenID 2.0 providers.
ASP.NET Core Azure Active Directory B2C Integration provides components for easily integrating Azure Active Directory B2C authentication within your ASP.NET Core application. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/2670c128d522473e146ff9f8159bfffdfe6...
SAML support for the Rock Solid Knowledge "Dynamic Authentication Provider" product.
WS-Federation support for the Rock Solid Knowledge "Dynamic Authentication Provider" product.
Entity Framework store for the Rock Solid Knowledge "Dynamic Authentication Provider" product. Includes a basic EF implementation of IAuthenticationSchemeStore.
ASP.NET Core middleware that enables an application to support certificate authentication. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/2670c128d522473e146ff9f8159bfffdfe694cd9