Other FFT-based softwares are available for calculating the mechanical properties of heterogeneous materials.

These include (in alphabetical order):

codeauthorinstitutelocation
Amitex-FFTPLionel GélébartCEA SaclayGif sur Yvette, France
DAMASKMartin DiehlMax-Planck-Institut für EisenforschungDüsseldorf, Germany
FFTHomPyJaroslav VondřejcTechnische Universität BraunschweigBraunschweig, Germany
JanusSébastien BrisardLaboratoire NAVIERMarne la Vallée, France
MorphhomFrançois WillotCentre de Morphologie MathématiqueFontainebleau, France