ThanDxflib is a library, written in Fortran 77, which makes the creation of .dxf drawings easy. The dxf files may be read by any CAD program.
GeoSolid3D produces 3D geologic solid models, incorporated into the aquifer and confining units of the USGS ground water models, Modflow and Sutra. Uses GIS data of DEMs, geologic maps, and maps of river, watershed, recharge, and aquifer parameters.
Geostatistical software made within research centre CERENA/CMRP. NOTE: GEOMS2 (beta release) is available for download in this link https://sourceforge.net/projects/geoms2/