The Apple Developer’s site has an extensive tutorial on  Using Ruby on Rails for Web Development on Mac OSX.  The tutorial is much like many of the others you see as it walks you throught the process of installing Rails, setting up a database, creating scaffolding then doing a bit of app customization.

JSAN or the JavaScript Archive Network, is a comprehensive resource for Open Source JavaScript libraries and software.  If you have done any work with PERL, JSAN is very similar to CPAN and in fact, JSAN is itself installed using CPAN.  The goal of JSAN is to make JavaScript libraries  easier to manage by distributing them from a central server.

If you have trouble remembering Windows hotkeys for launching applications, you should check out qliner hotkeys. Press the Windows key (or Caps Lock) key for 3 seconds, and the application shows an onscreen keyboard.  Configured keys have an icon that represents the application or action that will be launched when you press the Windows key in combination with that key.  Best of all, you can create new keyboard shortcuts by dragging and dropping your favorite application icons onto the keyboard!

The Yahoo! Buzz Game lets you put your (fantasy) money where your mouth is by buying stock in the technologies you believe will be popular and selling stock in the technologies you think will flop.

The Particletree blog has a tutorial titled Lightbox Gone Wild that shows how to use the Lightbox JavaScript library to create modal dialog boxes.

Yahoo! Developer Network is now offering a PHP Developer Center with lots of great examples of using PHP with JSON, REST and serialized PHP.

The Ajax Lessons blog has a nice tutorial on Building Tabbed Content using a mix of JavaScript and PHP.

How I Got to Google, Ch. 2: Tale of a T-shirt is the story about how a young woman got a job at Google by using a little bit of creativity!

Dustin Diaz has written an article titled - JSON for the masses - which is one of the most concise and comprehensive decsriptions of JSON that is specifically aimed at the web developer.

Johnathan Snook has created a very nice series of cheatsheets for the Prototype Javascript library.