#Two-factor

authelia

authelia

The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™

2factorauth

twofactorauth

List of sites with two factor auth support which includes SMS, email, phone calls, hardware, and software.

yeojz

otplib

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

scito

extract_otp_secrets

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.

hectorm

otpauth

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

RobThree

TwoFactorAuth

PHP library for Two Factor Authentication (TFA / 2FA)

YosaiProject

yosai

A Security Framework for Python applications featuring Authorization (rbac permissions and roles), Authentication (2fa totp), Session Management and an extensive Audit Trail

robbiev

two-factor-auth

Generate 2FA tokens compatible with Google Authenticator

ladjs

react-native-phone-verification

The best React Native example for phone verification (an alternative to Twitter Digits).

RobThree

TwoFactorAuth.Net

.Net library for Two Factor Authentication (TFA / 2FA)

nextcloud

twofactor_totp

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

nextcloud

twofactor_gateway

🔑 Second factor provider using an external messaging gateway (Signal, SMS, Telegram, WhatsApp and XMPP)

akvelon

react-native-sms-user-consent

React Native wrapper for Android's SMS User Consent API, ready to use in React Native apps with minimum effort.

na-stewart

sanic-security

An async security library for the Sanic framework.