jsotp
Javascript One-Time Password module.
hotp
HMAC-Based One-Time Password (HOTP), and Time-Based One-Time Password (TOTP) Algorithms
@hongtak/totp
A lightweight, zero-dependency Node.js library for generating and verifying Time-Based One-Time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP), compliant with [RFC 6238](https://tools.ietf.org/html/rfc6238) and [RFC 4226](https://tools.ietf.org
@colingreybosh/otp-lib
A TypeScript library for generating, validating, and managing one-time passwords (OTP) for authentication purposes.