Top 20 NuGet authenticator Packages

SecureBlackbox is a comprehensive suite of Internet security components
Provides various authenticators for user authentication in Crosslight apps, including HttpBasic, NTLM, OAuth, OAuth2, and WebAPI authenticator.
An ASP.NET Core library for generating and validating one time passwords for google authenticator.
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...
A Cross Platform OTP (TOTP HOTP) Library for .NET Core NetStandard
Simple, easy-to-use implementation of one-time password generator, with support for both time- and counter-based variant.
An ASP.NET Core library for generating and validating one time passwords for google authenticator.
Dotnet Library for facilitated authentication in REST APIs with RestSharp
Adds two factor authentication to an MVC project using google's authenticator. Relies on Microsoft's ASP.NET Identity service.
Common library required for ReadySignOn solutions including ReadyConnect, ReadyMembers, ReadyIdentity and ReadyPush
Authentication provider for ReadyConnect which is an OpenIdConnect extension with mobile support. For more detailed information visit https://www.readysignon.com/
Google ReCaptcha wrapper class for quick and easy validation (injectable service for ASP.NET Core apps).
This is a helper library for two factor Authenticator Getting started guide: https://github.com/PaulMiami/Authenticator/wiki/Getting-started Change log: https://github.com/PaulMiami/Authenticator/wiki/Change-log
This is a helper library for two factor Authenticator Getting started guide: https://github.com/PaulMiami/Authenticator/wiki/Getting-started Change log: https://github.com/PaulMiami/Authenticator/wiki/Change-log
This is a helper library for two factor Authenticator Getting started guide: https://github.com/PaulMiami/Authenticator/wiki/Getting-started Change log: https://github.com/PaulMiami/Authenticator/wiki/Change-log
A simple and straightforward HOTP and TOTP verification library for .NET.
GIC SharePoint Online Authenticator
A C# library to provide Steam Mobile Authenticator functionality
A simple and straightforward HOTP and TOTP library for .NET.
Simple TOTP library for .NET Standard 1.3