Experimental webpage layout inspired by Flipboard - demo / tutorial and source files
A website layout inspired by Flipboard bit.ly/JU1jJu the dragging is super impressive! cc @pkattera #donline
— Abhilash (@c0up) May 8, 2012
evanstoner asked: Saw your post about Sigma.js. Your readers may also be interested in D3.js. It's a pretty robust data visualization library that I've used a few times and really enjoyed.
Thanks - another data viz javascript library http://d3js.org/ + gallery on Github

Time saver: iOS App Icon PSD Template
Design an iOS app icon once, automagically render all the smaller size icons (using PS smart objects).
(Nice CSS background position animation on the website too)
Awesome alert: CSS DECK - A collection of pure CSS creations which you can tinker around with - designed to help frontend coders realize the power and flexibility of CSS (via builtwithbootstrap)
jQuery scroll path demo
Pea.rsis a free open source WordPress theme which helps you set up your own pattern library (for HTML and CSS patterns). By Dan Cederholm (who made Dribbble)
Initializr Start an responsive HTML5 project in 15 seconds via @brad_frost
A beginners guide to HTML and CSS via @SmashingMag (edit: By Code Academy instructor Shay Howe, HT codeacademy.org)
Gridless is a “HTML5 and CSS3 boilerplate for making mobile first responsive, cross-browser websites with beautiful typography.”
GridPak - the responsive web design grid generator. Generates PNGs, CSS (+LESS, SCSS), Javascript.
“Look up HTML5, CSS3 features, know if they are ready for use, and if so find out to use them – with polyfills, fallbacks or as is”
“Ever wanted to grab the dominant color or color palette from an image?… Probably not. But now you can!”
Use case 1: Color search.
Use case 2: Color adapting UI.