oXygen XML Editor

2. Component parts

The docbook Schema. I have extended. Not necessary, just there as an example.
The docbook XSLT stylesheets
The associated docbook graphics files (note.png etc)
A build file (batch file, ant script, bash script etc)
A customization file (for various reasons)
An XML catalog for local resolution of URI's
An output directory for html and PDF
Docbook source file(s)
An XSLT engine (XSLT 1.0)
Jing - for Relax NG validation
Apache Xerces - XML Parser
Xmllint - Xinclude processing

See Chapter 6 for where you can find the software