okfn/datapipes

construct pipes of streams of events

A markdown parser built for speed

A powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired)

Light-weight option parsing with an argv hash. No optstrings attached.

Simplified HTTP request client.

A nifty javascript sandbox for node.js

JavaScript's functional programming helper library.

SuperAgent driven library for testing HTTP servers

simple, flexible, fun test framework

writable stream that concatenates strings or binary data and calls a callback with the result

A mature CSV toolset with simple api, full of options and tested against large datasets.