Commerce One, Inc. announced the Commerce One XML Development Kit (XDK) 1.0, an XML schema toolkit that enables the creation of XML-based business documents and applications. For end users, these new XML-based applications will result in information-rich, robust e-commerce transactions that are as ubiquitous as web pages. Targeted at developers, XDK 1.0 is immediately available and can be downloaded free of charge at Commerce One’s MarketSite