Jade, teTeX and Modular DocBook Stylesheets are used to convert DocBook documents to DVI, Postscript, and PDF formats. The JadeTeX macros are needed to do this.

If XHTML and plain text output formats are adequate, then this program is not needed and the option to install it from the textproc/docproj configuration screen can be disabled.

A popular editor for working with XML and derived documents, like DocBook XML.

Both of these editors include a special mode for editing documents marked up according to an XML DTD. This mode includes commands to reduce the amount of typing needed, and help reduce the possibility of errors.