This is the distribution of the Quantum ESPRESSO suite of codes (ESPRESSO: opEn-Source Package for Research in Electronic Structure, Simulation, and Optimization), promoted by the DEMOCRITOS National Simulation Center of the Italian INFM (http://www.democritos.it). Quick installation instructions for the impatient: ./configure [options] make all ("make" alone prints a list of acceptable targets). Binaries go in bin/. For more information, see the documentation contained in directory Doc/, consult the web site http://www.quantum-espresso.org/ and in particular the Wiki page http://www.quantum-espresso.org/wiki/index.php/Main_Page . All the material included in this distribution is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. These programs are distributed in the hope that they will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.