Versim Technologies announced the availability of the Versim XML Differencing Plugin for Altova XMLSpy. With the Versim Plugin, XMLSpy users can easily identify the differences between XML documents, both on the file system or remotely addressable via URL. The Versim Plugin is fully integrated with XMLSpy, and allows you to navigate backwards and forwards through documents, verifying, accepting or rejecting changes that are presented to you. The Versim XML Differencing Plugin is available to download as a fully functional 30-day evaluation.