<p>Associate Professor of Chemistry at University of Pittsburgh, developer of Open Babel and Avogadro open source chemistry software.</p>
<ul>
<li><a href="http://avogadro.cc/" rel="nofollow noreferrer">Avogadro</a> - Free, open source molecular editor and visualization</li>
<li><a href="http://openbabel.org/" rel="nofollow noreferrer">Open Babel</a> - The open chemical toolkit</li>
<li><a href="http://pqr.pitt.edu/" rel="nofollow noreferrer">Pitt Quantum Repository</a> - An open repository of thousands of computed molecular structures and properties.</li>
</ul>
<p>The comments and answers given here, in no way reflect my department or the University of Pittsburgh, except when they're right. All mistakes are mine alone.</p>

Geoff Hutchison