Amazon kindle source code.
animate.css is a collection of cross-browser CSS animations for you to use in your projects.
How To Build An Agile UX Team: The Culture.
Golden Ratio calculator.
Facebook's recently launched HTML5 Resource Center offers an excellent set of docs & resources.
Not your parent's mobile phone: UX design guidelines for smartphones.
20 most inspirational quotes by Steve Jobs.
Kern Type, a kerning game.
Speed up CSS prototyping by overlaying a grid or a mock-up over the page.
JPEGmini, your photos on a diet.
The Intro to Rails screencast I wish I had.
Writing better HTML & CSS (Slides from FOWA London) by Chris Coyier.
HTML5 techniques for optimizing mobile performance.
Donatello is a pure-CSS drawing library for the browser.
HTML5 canvas deep dive.
Google launches PlayN, a cross platform game library that allows you to create a single Java code base that runs in HTML5, Java, Android and Flash.
Plink, a multiplayer HTML5 music game.