syncRO Soft Ltd. has released version 2.0 of their oXygen XML Editor. Compatible with Mac OS X, oXygen lets you manage XML-related documents and supports XML, XSD, XSL, and DTD. XML, or Extensible ...

MS XML Notepad 2007 <BR><BR>edit: just to clarify, this is an xml file editor that has a tree view pane on the left. You can right click and expand the whole tree, or leave it collapsed.

Here are the best free XML Editor Software for Windows computers. They help you quickly examine, compare, or validate XML documents.