JSDOM is a great little module for NodeJS which lets you parse a DOM on the server. The only problem is that it has a memory leak. Not a big deal if you are only going to instantiate a couple times. A little trickier if you are screen scraping and need to call it 1000s of times. I luckily found a work around. Instead of creating a new window every time you want to parse some code, simply keep the same window around and switch what it is displaying.

Anything To Triples (Any23) is a library, a Web service and a set of command line tools for extracting structured data in RDF format from a variety of Web documents.

PhantomJS is a headless WebKit with JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas, and SVG.

PhantomJS is an optimal solution for fast headless testing, site scraping, pages capture, SVG renderer, network monitoring and many other use cases.

A javascript implementation of the W3C DOM.

A little module that makes scraping websites a little easier. Uses node.js and jQuery.

A list of scraping tools and resources which will make your life MUCH easier the next time you need some information from a crufty old website.

A list of research papers, articles, web APIs, libraries and other software for article text extraction.

In the world of web scraping, text mining and article reading utilities (readability bookmarklet) there is an ever growing demand for utilities that are capable of distinguishing parts of a HTML document which represent an article apart from other common website building blocks like menus, headers, footers, ads etc.

By working with server-side Javascript (in this case node.js) developers can use widely accepted and battle-hardened libraries such as jQuery on the server thanks to jsdom, a server-side implementation of the DOM apis.

Anyone can write a screen scraper using the online editor, and the code and data are shared with the world.