OptumCE is described as 'A comprehensive finite element program for geotechnical stability and deformation analysis'. There are five alternatives to OptumCE for Windows. The best alternative is ANSYS Workbench. Other great apps like OptumCE are Abaqus Unified FEA (Paid), PLAXIS 3D (Paid), CivilFEM (Paid) and Flac3D (Paid).
PLAXIS 3D is a finite element package intended for three-dimensional analysis of deformation and stability in geotechnical engineering. It is equipped with features to deal with various aspects of complex geotechnical structures and construction processes.