XML Schema repositiry

Does anybody know of  any schema repositories besides the one at XML.org 
(http://www.xml.org/xml/registry.jsp).  There used to be a few others, 
namely biztalk.org and http://www.schema.net/ but these don't seem to 
exist any more.

What I have in mind is just a list of generic Schema's and DTDs that are 
available.

Thanks,

-- 

Toivo Lainevool
http://www.XMLPatterns.com - Develop effective DTDs and XML Schema documents for your XML using structural design patterns.