Neo-Async is a drop-in replacement for Async, it almost fully covers its functionality and runs faster

Apply an async function to each Array element in series.

No-bullshit, ultra-simple, 35-lines-of-code async parallel forEach / map function for JavaScript.

Full featured Promises/A+ implementation with exceptionally good performance

Async concurrent iterator (async forEach)

horsepower for your modules

Run an array of functions in parallel

Run an array of functions in series

Bare minimum async methods

Extends Chai with assertions about promises.

Bare bones Promises/A+ implementation

Lodash modular utilities.

simple, flexible, fun test framework

Offers a async require.resolve function. It's highly configurable.

Asynchronously map over a list

An AST-based pattern checker for JavaScript.

Portable Unix shell commands for Node.js

Validate files with JSHint

A drop-in replacement for `util` with some additional advantageous functions