CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
Information Manager(split/analyze/compare/combine).
XGAP is a PHP web application generator
WPИ-XM is a web server stack for professional PHP development.
A GUI frontend to Apache FOP
Writing use cases
XSLT and XML unit testing framework
A tool to check your XML interfaces comply with your own standards.
Collaborative editor, requirements management tool and much more