Normalize.css makes browsers render all elements more consistently and in line with modern standards. It precisely targets only the styles that need normalizing.
#webdesign
ProCSSor
Powerful CSS prettifier. Lots of nice rules to be able to generate CSS according to our preferred format.
metro-bootstrap
Simple bootstrap from Twitter with Microsoft’s Metro style.
HTML Email Design Guidelines
From Campaign Monitor. HTML Emails are horrible, as evidenced by all the horrible things going on in this excellent guide.
WordPress Post Editor for Balsamiq
WordPress Post Editor for Balsamiq
Template for working on WordPress the post editor UI in Balsamiq Mockups.
Unheap
“A tidy collection of jQuery plugins”
Interactive Guide to Blog Typography
Interactive Guide to Blog Typography
“This guide will help you understand the typographic foundations that will improve the readability of your articles.”
Whiteboard Framework
“Powerful, clean, and well-noted code for efficient WordPress theme development.”