Super AJAX Programming Seed is a tight little program that illustrates a simple implementation of AJAX technology using HTML and PHP, and offers suggestions for how to use the technology to make super-dynamic web applications from scratch. It's a lot of fun, and after seeing how simple it is you'll never stop coming up with new ways to use it.

Image Resize Wizard is a free program that takes two inputs - an image URL and the size - and creates code to generate a new, re-sized image on-the-fly. You can add the program to your web site or use it yourself and it's super easy to install.

Keyword Marketing Buddy is a free tool that lets you compare the popularity of a number of keywords at one time. You enter in a list of keywords, and the Buddy will automatically suggest a number of related keywords, and will rank by popularity. The keyword output also includes a text box with a comma-separated list of keyword, popularity values so that you can easily import the list into a spreadsheet or use other keyword analyzer tools.