Turns CSS blocks into [inline] style attributes
Hiro is a small yet powerful unit testing framework for JavaScript. It runs each test suite in a separate iframe sandbox, preventing global state leaks and conflicts.
Blackbird offers a dead-simple way to log messages in JavaScript and an attractive console to view and filter them. You might never use alert() again.
Dagny is a Django adaptation of Ruby on Rails’s Resource-Oriented Architecture (a.k.a. ‘RESTful Rails’).
Dagny makes it really easy to build resourceful web applications.
A Javascript CSS3 Selector and Matcher not using XPath
"Responsive web design is about a lot more than the size of your screen. This talk is about about how GitHub handles links, the url bar, partial page updates, and explains why I think the HTML5 history API is the most important thing to happen to front end development since Firebug."
CSS-like selectors for JSON.