Nice little intro/tutorial on the awesome plugin that gives you JSON feeds of everything in WordPress.
Khan Academy
Incredible selection of video tutorials and classes covering everything from algebra to history to investing. Free.
Custom post types in WordPress
Custom post types in WordPress
Awesome tutorial on working with custom post_types in WordPress 3.0+
How (and Why) to Stop Multitasking
How (and Why) to Stop Multitasking
Cool post on one guy’s experiment with single-tasking and how to do it to improve your productivity (and happiness!)
A Feed Apart
Nice site for a “live” event. Includes lifestream/aggregator, meetup planning, Twitter integration. Very cool.
WordPress bash functions
Nice collection of CLI shortcuts and bash commands to making working with WordPress code easier. From Andrew Nacin
OpenID Connect
Discovery of and access to identity information via OpenID + OAuth 2.0.
Dejumble
Kinda cool looking task manager/note taker for Mac.
Optimize Apache for WordPress
Some pretty cool server tips for optimizing a VPS for running pretty much any web system, but specifically WordPress.
Creating Custom Write Panels in WordPress
Creating Custom Write Panels in WordPress
Nice tutorial on using custom post_types and how to create a custom screen for entering data specific to a post_type.