Streams3, a user-land copy of the stream library from Node.js
The semantic version parser used by npm.
Redis client library
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
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.
A logger for just about everything.
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
Terminal string styling done right