Highly secure and easy to use OTP client written in C/GTK3 that supports both TOTP and HOTP

A Material You Two-factor Authentication app

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Simple cross-platform two-factor (2FA) authenticator app for desktop.

ADAMANT's Blockchain 2FA demo

A TouchID-aware 2-factor authenticator for macOS

A pure Python script that produces the same 2FA codes as the Google Authenticator App

2FA (Two-Factor Authentication) application for CLI terminal with support to import/export andOTP files.

This is an awesome two-factor authenticator based on Flutter for Android and Windows which supports cloud backup.基于 Flutter 的双因素验证器，支持Android和Windows平台，支持云备份。

Enables MFA/2FA and SSH proxying on top of Paramiko SSH.

Secure, Open Source, and Google Authenticator compatible application to manage your 2-step verification (2FA) tokens for your online services.

Similar to the Google authenticator just written in Python to automate annoying two factor authentication.

🔑️ Two-Factor Authenticator for Windows

Manage a TOTP database by CLI

Cross platform 2FA app

🔑️ Two-Factor Authenticator for Linux

A simple API to generate QR codes and validate the user input

2FA Authenticator

Command line Google Authenticator alternative. Or, Command line Script for managing 2FAs.

🔐️🇴.🇸🔑️🌐️ The LocksmithOS MFA (Multi-Factor Authentication, also known as 2FA (Two-Factor Authentication)) source repository, for using LocksmithOS as an MFA sign-on tool.