eXist-db is a feature rich Open Source native XML database
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
Built for enterprise level and highly customized websites
Software builder for both veteran programmer and novice.
Information Manager(split/analyze/compare/combine).
DocBook Editing and Processing for Eclipse
WPИ-XM is a web server stack for professional PHP development.
Toolkit for rapid XML and web application development
An unified platform for desktop and Internet apps
Design Reports XSL based and generate to PDF
xMind Desktop Exporter & xMind Web Reader