<p>Gadget, a part of the SIMILE Widgets family of tools, is an open source command line XML inspector for generating useful summaries from large amounts of well-formed XML data. It is particularly valuable when exploring, migrating or cleaning XML, in addition to evaluating schema emergence. This tool require a <span class="external text">Java 1.4</span> or later compatible virtual machine and <span class="external text">Maven 2.0</span> or above to run.</p> <p>Gadget is no longer maintained, but information about it is still available via the Internet Archive.</p>