D.13.1 cimonom_lib complete intersection for toric ideals D.13.2 gfan_lib A gfanlib interface for Singular D.13.3 gitfan_lib Compute GIT-fans D.13.4 polymake_lib interface to polymake and TOPCOM D.13.5 realizationMatroids_lib Realizability for Tropical Fan Curves D.13.6 tropical_lib interface to gfan D.13.7 tropicalNewton_lib Newton polygons in tropical geometry