XML Spy

Altova XMLSpy is the industry's best-selling XML editor and development environment for modeling, editing, transforming, and debugging XML-related technologies. It offers the world’s leading graphical schema designer, a code generator, file converters, debuggers, profilers, full database integration, support for XSLT, XPath, XQuery, WSDL, SOAP, and Office Open XML (OOXML) documents, plus Visual Studio and Eclipse plug-ins, and more.

The XMLSpy XML editor delivers the power you need to create the most advanced XML and Web services applications, yet at the same time it’s flexible enough to allow you to work with XML using the views and options that best suit your business needs and working preferences. Features and functionality in the XML editor include:

Intelligent XML editor XSL / XSLT 1.0/2.0 editor, XSLT debugger & XSLT profiler
Graphical XML editing and text-based XML editing views Schema-aware XQuery editor, XQuery debugger & XQuery profiler
XML validation with advanced error handling XPath 1.0./2.0 Analyzer window
Visual XML Schema editor Database integration
DTD editor & DTD-schema converter Very large file support
Support for Open XML (OOXML) data in MS Office 2007 XInclude and XPointer support
Graphical WSDL editor Java / C# / C++ code generation from XML Schemas
SOAP client & SOAP debugger Visual Studio integration & Eclipse integration
CSS editor for XML-based Web sites Java API and COM API
XML project management And much more...

More informations on Altova website: http://www.altova.com/products/xmlspy/xml_editor.html

Credits: Altova