Here are some links I found useful today, and would like to share with you.

1. An introduction to friendly URLs in PHP
   Very clear and detailed friendly URL tutorial on PHP, good for someone new to friendly URLs.
   
2. Handy Designer’s Tools “On The Fly”
3. CSS Editors Reviewed – Smashing Magazine
   I Love Smashing Magazine, many great resources and reviews can be found there. And this is a detailed review of CSS Editors, you may want to have a look.
4. 25 Useful WYSIWYG Editors Reviewed
   Another great review by Smashing Magazine, this time they talked about WYSIWYG Editors.
5. Getting Started with OpenID and PHP