Extract one time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator". The exported QR codes from authentication apps can be captured by camera, read from images, or read from text files. The secrets can be exported to JSON or CSV, or printed as QR codes to console.

A 'Google Authenticator' like Single Page Application

SVPinView is a light-weight customisable library used for accepting pin numbers or one-time passwords.

A pass extension for managing one-time-password (OTP) tokens

This RoundCube plugin adds the 2-step verification(OTP) to the login proccess

Phone number authentication + OTP login page built with @flutter 😍

Google Authenticator migration decoder

One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers.

1wallet | Modulo OTP Wallet - unconventional keyless, non-custodial wallet secured by Google Authenticator. EVM-compatible, smart contract operated, with composable security.

A customisable verification code view to capture OTPs

This article will teach you how to secure a Node.js API by implementing two-factor authentication (2FA) system using tokens generated by Google Authenticator or Authy. The one-time passcode (OTP) can be delivered via different methods like SMS but we will use Google Authenticator or Authy to reduce the complexity of the project.

Generic Low Overhead Message Exchange (GLOME) is a protocol providing secure authentication and authorization for low dependency environments.

Customisable OTP view and Passcode view

Implements two-step verification of HOTP/TOTP. Also known as one time password.

Passwordless Authentication of User in Node(express) and React using JWT and Twilio SMS API without and any database for validating OTP

A simple One Time Password (OTP) library in C, supports C++

Convert otpauth-migration to plain link

It automatically picks OTP from sms. I implemented this without using any Flutter plugin.

OTP Authentication in Flutter using Firebase

A simple One Time Password (OTP) library in lua