Top 20 NuGet Security Packages

User security base for developing apps with .NET
Authentication and service implementation for the GitHub API.
Unoffical C# Xbox WebAPI, includes support for authentication with Windows Live / Xbox Live.
A simple library for doing social authentication in .NET Core MVC. It authenticates that people are who they say they are, but does not authorise them and has no opinion on how you store details about your users. Includes login providers for GitHub, Google, Microsoft and Facebook. See the project ...
Recommended Google client library to access the Google Cloud Phishing Protection API.
GPA Gemstone Security Library
I-Synergy Framework Authentication for .net 8.0
Official Okta OIDC SDK for Xamarin iOS applications.
Official Okta OIDC SDK for Xamarin Android applications.
Firebase authentication library. It can generate Firebase auth token based on given OAuth token (issued by Google, Facebook...). This Firebase token can then be used with REST queries against Firebase endpoints.
The JSONWebToken.Authentication structure that enables an application to use token based authentication for API and cookie based authentication for browser based web applications.
Recommended Google client library to access the Certificate Authority Service API version v1beta1
JSON Web Token Authentication and Authorization library for Horse MVC
Core models for Endpointer.Authentication.
SK Smart-ID external authentication for ASP.NET Core applications.
Glader.ASP.Authentication is a basic OAuth/Identity/JWT library for simple Authentication needs. Provides a quality Refit HTTP client interface as well as Entity Framework Core Database, Repository and ASP Controller for doing simple authentication and authorization.
Recommended Google client library to access the Google Cloud Web Risk API v1, which lets client applications check URLs against Google's constantly updated lists of unsafe web resources.
Official Okta OIDC SDK for Xamarin applications.
Trimble Identity OAuth2 Password Credentials Provider implementation to be used in headless apps and tests and server side integrations.
Trimble Identity OAuth2 Authorization Code Credentials Provider implementation to be used in interactive mobile and desktop applications.