NOTE: These lists will now be maintained in the XML Langauges discussion forum.

XML Tutorials

• http://www.w3schools.com/ (Basic intro to Web/XML technologies).
• .NET XML API Tutorial/Code Samples
• http://www.topxml.com/

XML Libraries

• Extreme XML: XPath Querying Over Objects with ObjectXPathNavigator
  - Perform XPath queries and XSLT transforms on an object model without all the serialization overhead!

XML Tools

• XML Diff and Patch Tool- compares two XML files and produces an XML output of the differences
• XSD Inference Utility - Automatically generating schemas from XML instance documents

XML Databases

• XML:DB Initiative for XML Databases
• Ronald Bourret's XML database product summary
• Open Source Projects
• dbXML
• Ozone
• 4Suite Server

XQuery

• W3C - XQuery Spec
• DevX - Introduction to XQuery Part 1 , 2, 3, 4
• DevX - 5 Practical XQuery Applications
• XQuery Online Demos: Microsoft's, Cognetic Systems, Tamino
• Oakleaf XQuery (excellent reference list and another Demo!)
• Hoylen Sue's (DSTC staff) XQuery presentation

XML Forms

• W3C XForms - Next generation web forms.
• Microsoft's InfoPath (Office 2003 beta) (was XDocs)