A lightweight library that provides tools for organizing asynchronous code

Flush promises in tests

Run multiple promise-returning & async functions with limited concurrency

Get the first fulfilled promise that satisfies the provided testing function

Compliance test suite for Promises/A+

Filter promises concurrently

Promise-based IO

List files and directories inside the specified directory

Wait for a specified number of promises to be fulfilled

Reduce a list of values using promises into a promise for a value

Walk any kind of tree structure depth- or breadth-first. Supports promises and advanced map-reduce operations with a very small API.

Runs Promises in a pool that limits their concurrency.

Iterate over promises serially

Promisify the node standard library.

A library for efficiently walking a directory recursively

Crash or abort if you get an unhandledRejection or multipleResolves

FantasyLand compliant (monadic) alternative to Promises

Run promise-returning & async functions in series, each passing its result to the next

Get the status of a file with some features

Node.js's util module for all engines