Node.js is a server-side JavaScript environment that uses an asynchronous event-driven model. This allows Node.js to get excellent performance based on the architectures of many Internet applications.
The installation guide explains how to get started installing Node.js and the Node Package Manager (NPM) on your system.
The FAQ answers common questions people have about Node.js.
Projects, Applications, and Companies using Node
See the Modules page.
Besides the documentation on the official site here are links to other resources.
Information about who runs the project
Node releases a new version every one or two weeks. The official ChangeLog can always be found here
The ChangeLog is also mirrored on this wiki so that users can make notes about bugs or changes that didn’t make it into the official notes: wiki changelog
See the Contributing page