Quantum ESPRESSO is an Open Source distribution. We shall greatly appreciate if scientific work done using Quantum ESPRESSO will contain an explicit acknowledgment and the following reference :
Please also see the user documentation of each specific package for further recommended citations.
Since v.5.0 the distribution has been split into a base distribution and various specialized packages and plug-ins. These packages can be automatically downloaded and installed on demand after the installation of the base distribution: see the general documentation for more information.
The current stable version (v.5.0.2 plus patches) and the previous ones until v.4.1.3 can be downloaded from the download page of the developers’ portal QE-forge. The GPU-enabled version can also be downloaded there. See also the QE-forge page for more information and for downloads.
Previous versions up to and including v.4.1.2 can be found here .