@epic-web/totp
Create and verify cryptographically secure Time-based One-time Passwords (TOTP) using the HMAC-based One-time Password (HOTP) algorithm.
authy-client
A complete Authy client with support for TOTP, OneTouch, Phone Verification and Phone Intelligence APIs
authy
Authy.com API lib for node.js
authenticator
Two- / Multi- Factor Authenication (2FA / MFA) for node.js