Development 

PHP Studio 1.1.1 shareware
Neometric Software, http://www.neometricsoftware.com
Requirements: Mac OS 10.4 or later
PHP Studio is a PHP code editor. From extensible syntax coloring to integrated autocomplete, PHP Studio isn't an extension to your PHP development workforce; it is your workforce. All of the things you need when writing PHP are instantly available, with the ability to execute and test your code with a single click.

WidgetMaker X 1.2.4 shareware
LAJ Design, lajdesign@mac.com, http://www.lajdesignsw.com
Requirements: Mac OS 10.4 or later
Create and modify your 10.4 widgets with ease: Manage your widgets; create new widgets with a Widget Wizard, and modify example widgets.