furagu/easy-gd

JavaScript's functional programming helper library.

deep cloning of objects and arrays

Higher-order functions and common patterns for asynchronous code

Node.js Streams, a user-land copy of the stream library from Node.js

test framework agnostic BDD-style assertions

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale

simple, flexible, fun test framework

GD graphics library (libgd) C++ bindings for Node.js

Working with node.js buffers made easy.

A javascript library to extract Exif metadata from images, in node and in the browser.

Variable arguments and "The last is the callback" convention made without "var args = somehowParse(arguments)" surrogate.