jQuery plugin was developed to facilitate the process of creating the famous buttons A+ and A-, which alter the font size on sites with very large texts, such as blogs, journals, tutorials, etc
Adobe Edge Preview
Tool for creating standards-based animation with ease; allowing designers to create content, using standards like HTML5, JavaScript, and CSS.
Edge will be updated regularly to add new functionality, stay ahead of evolving web standards, and incorporate user feedback to provide the best functionality and experience possible. This is an early look at Edge with more capabilities to come.
jQuery.fracs
Determines the fraction of an HTML element that is currently in the viewport, as well as the fraction it takes of the complete viewport and the fraction of the area that might possibly be visible. It also provides the coordinates of the visible rectangle in document, element and viewport space.
HTML5 and CSS3 features showcase
HTML5 and CSS3 brings loads of new features and functionality to the modern web.
This site is a resource and showcase of some of the newest, and most expressive features being added to the web today.
CSS Crush
PHP based CSS preprocessor that automagically handles vendor prefixes, CSS variables, data-uris, minification and much more.