Andy Boyd

This is one for the Java Swing developers out there.  This is a great tutorial on creating  translucent Java Windows on Mac OS X.
http://www.curious-creature.org/2007/04/10/translucent-swing-windows-on-mac-os-x/

Marc Wandschneider has created, and released, a PHP / Ajax framework. Pretty cool..
http://chipmunkninja.com/article/payjacks020

I believe it is good practice to adhere to standards when programming. Whether programming your own code, or working colloboratively, standards make your code easier to read and update.  The following is a great (fast) overview on some PHP coding standards:
http://godbit.com/article/introduction-to-php-coding-standards

CodeIgniter is open source and well documented, I think it looks pretty cool…
“CodeIgniter is a powerful PHP framework with a very small footprint, built for PHP coders who need a simple and elegant toolkit to create full-featured web applications. If you’re a developer who lives in the real world of shared hosting accounts and clients with deadlines, and if you’re tired of ponderously large and thoroughly undocumented frameworks ”

http://codeigniter.com/

If you need to test your web sites (or other apps) on a different Operating System and don’t have the money to shell-out for a proprietary virtualization software… take a look at virtualbox.org, they have open-sourced their virtualization software…

http://www.virtualbox.org/

Here are some great effects/ideas as to what you can do with the YUI

http://www.thinkvitamin.com/features/javascript/15-things-you-can-do-with-yahoo-ui 

This is a great reference for creating a PHP class to handle multiple types of config files.  

http://www.phpit.net/article/create-settings-class-php/

I didn’t know PHP had a parse_ini_file function…  very cool.

Here is a cool little script which loads the content of an article in a div.  A nice effect…

http://www.dhtmlgoodies.com/index.html?whichScript=ajax_dynamicArticles

Create cross platform applications using PHP and the GTK library.  I didn’t think it could be done… but it can!

http://www.sitepoint.com/article/platform-windowed-apps-php

I’ve heard a few references to CURL but never knew much about it.  CURL allows you to scrape/use other web pages as data .  The most interesting use (I found) is you can automatically fill out form data and retrieve the $_POST array.  CURL… it’s one bad mutha…
http://www.phpit.net/article/using-curl-php/1