The official MongoDB driver for Node.js
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
A deep deletion module for node (like `rm -rf`)
Streams3, a user-land copy of the stream library from Node.js
YAML 1.2 parser and serializer
A library for promises (CommonJS/Promises/A,B,D)
The semantic version parser used by npm.