The folks at Sleepover have compiled a sortable list of Typekit-powered fonts that meet two key guidelines: "first, the font had to have lower case, upper case, bold, italic, and bold italic; second, the font couldn’t be handwriting, script, or monospace."
CSS
The 30 CSS Selectors you Must Memorize
This is the best breakdown of selectors I've seen. An excellent reference for all Web developers.
Close Pixelate
"Inspired by American portrait painter Chuck Close, this script converts an image into a pixelated version using an HTML5 canvas element. It's basically a simple demo for canvas' imageData functionality."
Awesome Fontstacks
"Easily create bundles of beautifully matching, free web fonts, with failsafe font stacks to back them up. Including ready-to-go CSS code!"
WordPress Snippets
A collection of WordPress snippets to make developers' lives just a bit easier. I'm not found of the current UI as it's not easy to skim, but the filter capability helps and I'm sure the site will improve as it grows.
Gridulator
"Tell Gridulator your layout width and the number of columns you want, and it’ll spit back all the possible grids that have nice, round integers… There are inline previews, courtesy of the canvas element, and when you’re all set Gridulator can crank out full-size PNGs for you, ready for use in your CSS, Photoshop docs, or what have you."