Altova has announced Open XML support for their flagship product, XMLSpy. As covered in their announcement this week, XMLSpy 2007 Release 3 provides full validation of Open XML documents, intelligent entry helpers, and support for the development of XSLT and XQuery transformations for working with Open XML data.
XMLSpy is a best-selling XML editor that provides functionality for working with many W3C standards related to XML, including XSLT, Xquery, XPath, XML Schema, and more. It also integrates with the Visual Studio and Eclipse development environments.
For more information on XMLSpy's support of Open XML formats, see Altova's features page for the new functionality.