Answers inline:
What OS?
WinXP and MacOS X.
What IDE or editor?
jEdit for most things. Some WebObjects Builder for merging in static content into backend code.
What backend language, if any (php, asp, cf, ruby, java, etc)? What framework, if any (cake, symfony, rails, struts, etc)?
Mostly WebObjects (Apple Java framework/development environment) Karl Rudd
