Sendmail replacement, sends mail directly to recipients SMTP server

Send mail via Node.js with ZeptoMail

Promise queue with concurrency control. This is a fork of sindresorhus/p-queue, but with CommonJS support.

Simple FIFO queue implementation to avoid having to do shift() on an array, which is slow.

Enqueues messages onto a given SQS queue

Tiny async queue with concurrency control. Like p-limit or fastq, but smaller and faster.

a performant queue implementation in javascript

A really fast memory store for better-queue

A promise based, dynamic priority queue runner, with concurrency limiting.

Simple priority queue with stable ordering, built on btree-core.

A simple, fast, robust job/task queue, backed by Redis.

Email for Lunora: Resend adapter, TSX templates, and queue-backed sends

Priority queue data structures

High-priority task queue for Node.js and browsers

A simple, dependency-free library for concurrent promise-based queues. Comes with with concurrency and timeout control.

Throttles arbitrary code to execute a maximum number of times per interval. Best for making throttled API requests.

Fast heap-based priority queue in JavaScript

Universal Mail Adapter for Parse Server, supports any email provider REST API, with localization and templates.

Transactional mail with provider drivers, queues, and renderer integration for Slingshot

Express middleware to limit a number of simultaneously processing requests using queue