📱 Two-Factor Authentication (2FA) client for Android + Wear OS

Two-Factor Authenticator Supporting TOTP (Windows 10 & Android, iOS, Linux and macOS App)

external OpenID Connect Login to IdentityServer and ASP.NET Core with AAD

A modern and secure Windows app for managing your 2FA authentication codes.

SDroid is a framework for designing and running custom bots for Steam network capable of trading and managing the Steam Account they are connected to.

Passkeys/FIDO2/WebAuthn .NET Library for Windows Desktop and CLI Applications

Feature-rich and flexible .NET library for implementation of OTP authenticators and validatiors.

Encipher is C# Windows Form App where you can store your user login information offline. Encipher incorporates Google Authenticator to login into the program. It encrypts the user inputted data into AES-256 bit encryption which is then saved on the local database created by the program.

Portable Authenticator that provides counter or time-based RFC 6238 authenticators and common implementations, such as the Google Authenticator

DragonKey是用.NET MAUI写的跨平台应用，目前能像Google身份认证器一样保存密钥查看2FA代码

a UWP Platform OTP Authenticator

A time-based, One-time Password Algorithm (RFC-6238, TOTP - HMAC-based One-time Password Algorithm) based token, implemented by e.g. Microsoft or Google Authenticator mobile application.

Dead simple user authentication for C# with support for 2FA via TOTP

A simple and straightforward HOTP and TOTP generation and verification library for .NET.

The Valley authenticator is an iOS and Android app which can be used for (multi-factor) authentication codes.

ID_Authentication_Application created with C# for get authentication of citizen ID through Turkey Government Official WebSite.

One Time Password Authentication Tools for PowerShell

MFA authentication via OTP