Here is an excellent article from an excellent Blot that lists what many consider to be the “Top Five” Web Design Tools:

http://sixrevisions.com/tools/top-five-web-design-tools/

I have one more to add to the list:

http://www.blumentals.net/htmlpad/

In case you ever wondered, this is the one I use to grade the homework in CBTE-162!

…Bill