Software AG Tamino
www.softwareag.com/tamino

Object Design eXcelon
www.objectdesign.com/odilive

Oracle JDeveloper Suite 2.0
www.oracle.com/tools/jdeveloper

German National Research Center for Technology Information (GMD-IPSI)
www.darmstadt.gmd.de/IPSI/index.html

GMD-IPSI XQL Engine for PDOM
xml.darmstadt.gmd.de/xql