+1  A: 

Visual Studio Express?

More seriously... your friend Google

gbn
Not the answer I was looking for.. but I guess the answer is implicit: there is none (or it's not worth going that route if we can edit them with VS). Thanks.
Nestor
+1  A: 

A good part of the web.config can now be edited directly with IIS7.

It's kind of free as it comes with Windows 7 and 2003.

Stefan