syntax highlighting and schema driven markup completion
comes with preconfigured DocBook support
written in Java
both WYSIWYG and source code view
tag name completion is not 100% perfect
Windows only
leading WYSIWYG-like XML editor
preconfigured with DocBook support
integrated TeX-based print engine
Windows, Solaris
very user friendly WYSIWYG-like XML editor
no out of the box DocBook support
Windows only