Cl
a
ss Links
Advanced Class Links/References
Elements or Attributes?
XML Schema Site
Emerging Standards
XSL-List -- Open Forum on XSL
SGML/XML News
XML/EDI Group
XSL FAQ
W3Schools - Web Building Tutorials
VBXML.com - Good Educational Resource - XML, XSL, WAP, BizTalk, more
World Wide Web Consortium (Top Source for XML info)
Tools
XML Editor/Validator Online
DTD/Schema Creator Online
XSL Tracer - shows XSL in action, step by step
HTML to XHTML Conversion Tool