Windows only: If you're delving into XML programming for the first time, or want to tweak a few software files, Microsoft's XML Notepad 2007 may be the no-nonsense editor you're looking for.

1] Notepad. Opening an XFDL file in Notepad is a no-brainer. Right-click on the XFDL file, hover to “Open with” in the context menu, and select Notepad.

The new version, XML Notepad 2007, ... Drag/drop support for easy manipulation of the tree, even across different instances of XML Notepad and from the file system.

If XML is the "new currency" for the Web, then Altova's XMLSPY is the money changer. Long recognized as the premier tool for editing XML, the latest version, XMLSPY 2004, has raised the standard ...