Top 20 NuGet 2fa Packages

LaunchKey Windows Phone SDK
A library for integrating Privakey authentication to .NET-based web services. Privakey is a secure, password-free, multi-factor authentication service. For more information visit https://www.privakey.com or contact support@privakey.com
Sentinel API SDK for .NET applications
This is a client of Zamanak (www.zamanak.ir) web service
SDK for accessing LaunchKey V3 endpoints.
MonoSign U2F/FIDO Client Library
LaunchKey .NET SDK
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
Dead simple user authentication for C# with support for 2FA.
FIDO Universal 2nd Factor (U2F) library for .NET. Please have a look at the project page for examples.
HMAC-Based One-Time Password Algorithm Implementation for dotnet core. Designed to support two factor authentication with common authenticator apps like the Microsoft and Google authenticators.
Notakey .NET SDK for requesting and verifying authentication requests
A modern .NET Standard 2.0 Authy API Library
C# .Net API client for twostep.io
A .NET HttpClient wrapper for interacting with the Duo Security Auth REST API.
DSToken es un sistema que incrementa la seguridad, generando una clave de acceso perecedera de un solo uso OTP (One Time Password) la cual es generada y/o enviada por diferentes medios como Mensaje de Texto, Correo electrónico, Push Notification, Dispositivos Físicos, entre otros.
Simple TOTP library for .NET Standard 1.3
A tool that generate time-based one-time passwords (RFC 6238)