Top 20 NuGet Security Packages

An ASP.NET Core authentication middleware: QQConnect for https://connect.qq.com. (腾讯QQ互联/QQ登录)
A client library for HMAC authentication.
Check if an IP address is a Tor exit node. It use an official list obtained from blutmagie.de and TorProject.org.
Configure an ASP.NET web applications based on VoidCore.Model. Includes single-page front end support.
An ASP.NET Core library for generating and validating one time passwords for google authenticator.
JWT Bearer authentication for Google tokens
Microsoft Application Inspector is a software source code analysis tool that helps identify and surface well-known features and other interesting characteristics of source code to aid in determining what the software is or what it does.
Templates to use when creating a web app that signs in users or a protected web API with the Microsoft identity platform (and call downstream APIs)
An ASP.NET Core library for generating and validating one time passwords for google authenticator. It seems that dotnet pack has a problem to pack own project. This Package needs AspNetCore.Totp. This is a workaround to not merge my project into one. If you find way of doing it correctly, let me kno...
.NET libraries for automatically switching between HTTP and HTTPS protocols.
Simple client library for the Authy API.
Extends the FubuMVC.Authentication Bottle and provides integration with Twitter authentication.
ArcGIS.PCL can be used to call ArcGIS Server resources, including those from Portal for ArcGIS and ArcGIS Online. The resources can be secure or unsecure and the ArcGIS Online token service and OAuth token service are supported. Supports the following as typed operations: > CheckGenera...
Used with SimpleAuthentication, provides automated configuration for ASP.NET NancyFX projects.
A simple client-only OAuth2 library for .NET. This library is designed to be used with minimal implementation by the user, in environments that are not hosted on a web server.
FluentSharp is an API that dramatically simplifies the use of .NET Framework APIs. It makes extensive use of .NET ExtensionMethods and it reduces the amount of code required (while making it more read This is the FluentSharp WPF which provides a fluent API for using/consumining WPF elements
FluentSharp is an API that dramatically simplifies the use of .NET Framework APIs. This is the FluentSharp NGit which provides exposed NGit (a managed Git API)
CryptSharp - use https://www.nuget.org/packages/BCrypt.Net-Next/ for password hashing, not this library.
Lucas Solutions Core Infrastructure
This dll contains the Cassini WebServer and a fluent API to use it.FluentSharp is an API that dramatically simplifies the use of .NET Framework APIs.