otp-io
🕖 Typed library to work 2fa via Google Authenticator/Time-based TOTP/Hmac-based HOTP
otp-toolkit
Secure, pluggable OTP generation and validation toolkit for Node.js (TypeScript ready).
mern-access
Plug-and-play authentication module for MERN apps (OTP + JWT, refresh rotation, revocation).
otplib
HMAC-based (HOTP) and Time-based (TOTP) One-Time Password library