Firebug Lite : A JavaScript file you can insert into your pages to simulate the Firebug console in browsers that are not named Firefox.
Arora : Arora is a lightweight cross-platform web browser. It's free (as in free speech and free beer). Arora runs on Linux, embedded Linux, FreeBSD, Mac OS X...
Colly : Colly is a Go framework that provides a clean interface to write any kind of crawler/scraper/spider
With Colly you can easily extract structured data ...
Browsh : Browsh is a fully-modern text-based browser. It renders anything that a modern browser can; HTML5, CSS3, JS, video and even WebGL. Its main purpose is...
PURL : PURLs are persistent URLs, they provide permanent addresses for resources on the web.
Browse old web pages the old way with virtual browsers in the browser.
InstantClick : InstantClick is a JavaScript library that dramatically speeds up your website, making navigation effectively instant in most cases.
Head JS : Load scripts like images. Use HTML5 and CSS3 safely. Target CSS for different screens, paths, states and browsers. Make it the only script in your HEA...
jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
RequireJS : RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino ...
Parsley.js : Javascript forms validation.
Powerful, UX aware & Dead simple.
A lightweight JS framework for fast navigation and page updates from YouTube