XMLSpy is an advanced XML editor for modeling, editing, transforming, and debugging XML-related technologies.

Altova XMLSpy includes XML editing tools that simplify the creation and editing of XML documents.

Altova XMLSpy provides schema tools for visualizing, developing, generating, converting, and validating XML Schemas and DTDs.

Altova XMLSpy provides a comprehensive set of tools for working with XSLT 1.0 & 2.0, XPath, XQuery, XInclude, and CSS in a simplified, intuitive manner.

Altova XMLSpy includes tools for working with all relational databases, with specialized support and extentions for specific databases and XML databases.