== Related and other software packages == In the following I give a brief list of other software packages that are also meant to help in constructing initial geometries. If you find that your software or a program you like is missing, do not hesitate to contact me. * [http://www.moltemplate.org/ moltemplate] Collection of python scripts to construct initial geometries for [http://lammps.sandia.gov/ LAMMPS]. * [http://www.ime.unicamp.br/~martinez/packmol/ PACKMOL] specializes in packing molecules in a specific manner into defined regions of space, optimization code with several chosable constraints.