There is a wget package available for Node.js that makes it really easy to integrate the convenience of wget in to a Node.js program. It is useful for downloading a file from any number of protocols. This example shows you how to download a file using wget in Node.js
These code snippets demonstrate how to access command line arguments for a Node.js program.
jQuery provide a convenient way to access elements using CSS selectors. Node.js has a package called Cheerio that allows us to make jQuery style code. The Request module can be used in tandem to provide the ability to perform an HTTP GET to fetch remote HTML documents. That is useful for web scraping.
Twitter Bootstrap, which was renamed to simply Bootstrap, is am amazing tool for web developers. It is now my favorite way to get a new site going. As a developer, I feel it is powerful and flexible, but not bloated. It is just the right tools for almost any project. Check out their official website here. It comes in a very light and simple package that includes:
Google Code Prettify is great for turning <code> tags into nicely formatted HTML. I personally appreciate how it displays the line numbers, but they don't get included when you copy+paste. There are many themes available but my favorite is the google code. It treats word wrapping well with line numbers, shows each line number, and is styled nicely. The Drupal module allows you to integrate it easily to Drupal.
Drupal Pretiffy module: http://drupal.org/project/prettify