Free XML Editor

I always keep some freeware tools in my thumbdrive and take it with me wherever I go. It is especially useful when I do work at customer place. I obviously can't install unlicense software in their machine, so the option will be to use free tools.

Here are 2 FREE! XML editor which I find very nice.

XMLFox freeware XML Editor
XML and XSD editing

XMLPad
XML Editing.
XSLT Transform.
XPath Evaluation.