Altova XMLSpy - The XMLSpy XML Editor is a powerful tool for editing XML and related technologies. It is the only XML Editor with patented SmartFix validation, enterprise-grade editors, converters, debuggers, and code generators.
XML Copy Editor - XML Copy Editor is a fast, free, validating XML editor.
Liquid Studio - XML Tools Provider: XML Studio - Graphical XML Schema Editor.
MUIbase - MUIbase is a relational, programmable database with graphical user interface for Windows, Mac...
Oxygen XML Editor - Oxygen XML Editor provides a comprehensive suite of XML authoring and development tools.
do-Organizer - do-Organizer includes useful tools to improve your experience and qualify you as an achiever.