oXygen XML Editor is a cross-platform textual editing and markup tool. oXygen XML Editor is the "best XML editor available" due to its incredible breadth: it supports all XML schema languages and accommodates "a large number of users ranging from beginners to XML experts". The oXygen XML Editor is designed to work with all XML-based technologies, ranging fro XML databases to web services. The oXygen XML Editor user-friendly interface is designed with special consideration for content authors making this tool the complete editing solution for XML projects. The built-in XML "as-you-type" validation system allows your to check a document's "well-formedness" and validity through the "context-sensitive editing capabilities of the XML Editor". Finally, oXygen XML Editor leverages that extensibility of XML by allowing users to enhance or develop their own frameworks in order to tailor documents to specific needs.