One-time Packages

Run the supplied function exactly one time (once)

Two- / Multi- Factor Authenication (2FA / MFA) for node.js

A commandline Authenticator App (for Authy, Google Authenticator, Microsoft Authenticator, TOTP / 2FA / MFA / OTP, etc)

define a method that will be executed only once

Very simple wrapper to run a function only once

Email verification, One-time/Disposable/Temporary address detection

Time Services based simple one-time token/password genaretor.

Lamport one-time signatures

zero dependency time-based one-time password provider based on rfc6238

A more complete One-time pad implementation supporting Strings, Buffers and Files

Ultralight, non-dependent and minimalist open-source package for generating Time-based One-Time Passwords (TOTPs), creating OTP URLs, and generating secure backup codes for account recovery.

A Basic TOTP (Time-based One-time Password Algorithm) implementation in TypeScript for use with cloudflare-workers

Generates a time-based one time password based on customized data, such as the type of hashing algorithm and the number of digits to have in the OTP

A modern `setTimeout` substitute tailored for asynchronous tasks, designed to schedule a single delayed execution. Features status getters to communicate the execution status, the ability to abort a pending execution, and the option to gracefully await th

A scheduler for one-time (non-periodic) asynchronous tasks, designed to manage delayed executions. It features status getters to communicate the execution state, a robust error handling mechanism for capturing uncaught errors, and the ability to abort pen

Disallows one-time variables

Disposable HTTP server.