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, XBRL, and Office Open XML (OOXML) documents, plus Visual Studio and Eclipse plug-ins, and more.

• 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 auto-completion and XPath Analyzer window
• Visual XML Schema editor
• Database integration
• DTD editor & DTD-schema converter
• XBRL validator and graphical XBRL taxonomy editor
• Support for Open XML (OOXML) data in MS Office 2007
• 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
• Very large file support

• Windows XP or Vista