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Tools for working with the LAMMPS molecular dynamics package

Project Description


Copyright (2005) Sandia Corporation. Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains certain rights in this software. This software is distributed under the GNU General Public License.


This version of was forked from the repository at by Craig Finch on 11 Nov 2013. I am not affiliated with Steve Plimpton or Department of Energy. I modified so that it can be installed in the standard manner setuptools. I recognize that this may break the parts of that modify operation of the Python command-line interpreter. Please contribute improvements to this repo! is a loosely integrated collection of tools written in Python, many of which provide pre- and post-processing capability for the LAMMPS molecular dynamics package. There are tools to create input files, convert between file formats, process log and dump files, create plots, and visualize and animate simulation snapshots. was developed at Sandia National Laboratories, a US Department of Energy facility, with funding from the DOE. It is an open-source code, distributed freely under the terms of the GNU Public License (GPL).


The maintainer of is Steve Plimpton, who can be emailed at The WWW site and LAMMPS WWW Site have more information about the code and its uses.


The (1 Oct 2006) distribution includes the following files and directories:

this file
the GNU open-source license
HTML documentation for
scripts and data sets that exercise tools
various script files
source code for and its tools


Point your browser at any of these files to get started:

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