One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator

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.

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

The missing reverse proxy for ssh scp

Google Authenticator migration decoder

🔒Secure Bastion implemented as Docker Container running Alpine Linux with Google Authenticator & DUO MFA support

A java library for implementing Time-based One Time Passwords for Multi-Factor Authentication.

A Material You Two-factor Authentication app

[ABANDONED] Two-factor authentication for Symfony 2 & 3 applications 🔐. Please use the newer versions from https://github.com/scheb/2fa.

Trustworthy, encrypted, command-line TOTP/HOTP authenticator app with import functionality.

Golang + Beego 编写 提供开发/运维常用操作的HTTP API接口: 手机归属地查询、IP地址查询、工作日节假日判断、微信报警、钉钉报警、2步验证、密码存储、发送邮件、生成随机密码等功能

SSO authentication provider for the auth_request nginx module

food delivery App

A free and open-source 2FA app for smartwatches.

A Kotlin one-time password library to generate "Google Authenticator", "Time-based One-time Password" (TOTP) and "HMAC-based One-time Password" (HOTP) codes based on RFC 4226 and 6238.

One Time Password (TOTP and HOTP) library for Clojure. TOTP/HOTP is widely used for Two Factor / Multi Factor Authentication.

🎲TOTP(Time-based one-time password) generator, support for Google Authenticator

A comprehensive Node.js package that simplifies the implementation of One-Time Password (OTP).

AWS Cognito package (with MFA Feature) using the AWS SDK for PHP/Laravel

Vulnerable OTP/2FA Application written in PHP using Google Authenticator

HOTP and TOTP token generation

Time-Based One-Time Password (TOTP) and HMAC-Based One-Time Password (HOTP) library for Go.

Apache two-factor (2FA) authentication with Google Authenticator based on Time-based One-Time Password (TOTP) or HMAC-based one-time password (HOTP) Algorithms.

HMAC-based (HOTP) and Time-based (TOTP) One-Time Password manager. Works with Google Authenticator for Two-Factor Authentication.

Google Authenticator Code Validation and Generation

OpenConnect Menu Bar - Connect/Disconnect/Status - for MacOS (supports Duo push/sms/phone, or Yubikey, Google Authenticator, Duo, or any TOTP) and SAML

Svelte/SvelteKit + PostgREST + EveryLayout + social auth starter template

Two-factor authentication tray app in macOS

Convert otpauth-migration to plain link

A generator for counter- and time based authentication codes (RFC-4226/RFC-6238, Google Authenticator).