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

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

Google Authenticator migration decoder

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

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

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

A 'Google Authenticator' like Single Page Application

An awesome two-factor authenticator based on Flutter, supports Android, Windows and Linux platforms, and supports multiple cloud backup methods such as Onedrive, Dropbox, WebDAV, S3Cloud, etc.基于 Flutter 的双因素验证器，支持Android、Windows和Linux平台，支持Onedrive、Dropbox、WebDAV、S3Cloud等多种云备份方式。

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

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

Kotlin Multiplatform implementation of One Time Passwords Manager that compiles to native code on all platforms from single codebase

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.

Customisable OTP view and Passcode view

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

Passwordless authentication server, supports OTP, WebAuthn and TOTP

Convert otpauth-migration to plain link

Two-step verification of HOTP/TOTP for Rust.

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