XMLSpear a graphical tree editor, targeted to check, and correct XML files in a simple way. The real-time validation feature, against xsd schema or DTD distinguish XMLSpear from other XML editors. For correcting not-wellformed xml a simple source editor is available. You can import and export message from IBM MQSeries by means of the bundled MQ-JMS plugin. You can extend the fuctionality by writing your own plugins, which is very simple.