Git link roundup from Tiffany B. Brown.
HTML5 Readiness is an infographic site, showing adoption of various HTML5 features by the major browsers.
21 Top Tips for Responsive Web Design at .net has tools and links and great resources.
HSLA Color Picker from Standardista is a really nice tool that lets you see your color as you’re working on it.
Here’s a new idea: How Responsive Web Design Becomes Responsive Web Publishing.