Higher-order functions and common patterns for asynchronous code

Lightweight debugging utility for Node.js and the browser

Prototype fusion

An high available npm registry client

light weight option/argv parser for node, it only parses options, nothing more then that.

Expect-like assertions that works seamlessly in node and browsers

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 ca

simple, flexible, fun test framework

Automatically install pre-commit hooks for your npm modules.

Simplified HTTP request client.