ef="http://docs.python.org/lib/module-modulefinder.html">modulefinder</a>. Stores the module dependency tree in a graph data
structure and allows for advanced filtering and analysis capabilities,
such as <a class="reference external" href="http://www.research.att.com/sw/tools/graphviz/">GraphViz</a> dot output.</dd>
<dt>altgraph:</dt>
<dd><a class="reference external" href="http://pypi.python.org/pypi/altgraph/">altgraph</a> is a fork of <a class="reference external" href="http://www.personal.psu.edu/staff/