Authenticator generates 2-Step Verification codes in your browser.

One time passcode Input. Accessible & unstyled.

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

🔢 better code inputs for react/web

An open source lightweight OAuth2 server

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

Cross-platform 2FA desktop client built with Tauri

Nest.js fundamentals source code with examples modules, providers, DI, Authentication, GraphQL, Prisma, MongoDB, Postgres

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

Auth Inbox 📬 is a self-hosted, open-source platform for receiving multiple email verification codes and real-time notifications, built using Cloudflare's free services. | Auth Inbox 📬 是一个自建的开源多邮箱验证码的接码平台，基于 Cloudflare 的免费服务。

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.

A demo application featuring Stytch's Consumer authentication suite built on Next.js

Easy GitHub 2FA authentication.

Example on how to add 2FA to Next.js application.

This article will teach you how to secure a React.js app by implementing two-factor authentication (2FA) feature using TOTP tokens generated by Google Authenticator, Authy, or Chrome's Authenticator extension

Free and Open Source Two-Factor Authenticator (2FA)

Extract 2FA tokens from Authy.

FREE, secure and open source cross-platform 2FA TOTP app

yet another TOTP 2FA Authenticator for HarmonyOS NEXT.

2FA Notifier is a web extension that notifies users whether or not the sites they visit support two factor authentication (2FA).