- winston
A logger for just about everything.
- js-yaml
YAML 1.2 parser and serializer
- mocha
simple, flexible, fun test framework
- qs
A querystring parser that supports nesting and arrays, with a depth limit
- bluebird
Full featured Promises/A+ implementation with exceptionally good performance
- webpack
Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
- commander
the complete solution for node.js command-line programs
- ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
- superagent
elegant & feature rich browser / node HTTP with a fluent API
- Top Vim plugins