The lxml XML toolkit for Python
X3D is the open-standard format for 3D graphics scenes on the Web.
Dynamically loaded extension libraries for GNU AWK
Reading Leonardi or W4 Express XML files
XMLJ is a Java XML Editor and validator project.
Simple XML editor and XSD viewer
eXist-db is a feature rich Open Source native XML database
INDI C# Client
Java converter for UN/EDIFACT conversion to EDIFACT-XML
A simple tool to annotate a text.
Java based XSLT Processor extension for syntax highlighting
XML Application Framework based on JAVA
A Java implementation of XProc: An XML Pipeline Language
Convert Cobol Data Files to/From Xml
xslet project provides some XSL libraries and applets.