List of sites with two factor auth support which includes SMS, email, phone calls, hardware, and software.
A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes
**NOT MAINTAINED** Two-factor authentication for Node.js. One-time passcode generator (HOTP/TOTP) with support for Google Authenticator.
🔑 One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator
🔐 multi factor authentication system (2FA, MFA, OTP Server)
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...
One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers.
PHP library for Two Factor Authentication (TFA / 2FA)
A Security Framework for Python applications featuring Authorization (rbac permissions and roles), Authentication (2fa totp), Session Management and an extensive Audit Trail
Generate 2FA tokens compatible with Google Authenticator
#安卓#The best React Native example for phone verification (an alternative to Twitter Digits).
.Net library for Two Factor Authentication (TFA / 2FA)
Two-Factor Authentication for all your users out-of-the-box.
🔑 Second factor TOTP (RFC 6238) provider for Nextcloud
Time-Based One-Time Password Code Generator
A comprehensive Node.js package that simplifies the implementation of One-Time Password (OTP).
🔑 Second factor provider using an external messaging gateway (SMS, Telegram, Signal)
Vonage Server SDK for Java. API support for SMS, Messages, Voice, Text-to-Speech, Numbers, Verify (2FA), Video and more.