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 HORTON: *H*elpful *O*pen-source *R*esearch *TO*ol for *N*-fermion systems.
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 Copyright (C) 2011-2016 The HORTON Development Team
 
+![Gitter chat](https://badges.gitter.im/theochem/gitter.png)
+
 For more information, visit HORTON's website: http://theochem.github.com/horton/latest