What are some alternatives?
When comparing GT Strudl and SDC Verifier, you can also consider the following products
RISA-2D - Structural Analysis and Design
Abaqus Unified FEA - Finite Element, Multiphysics, and Simulation Software
RISA-3D - Structural Analysis and Design
ANSYS Mechanical - Multiphysics, structural and mechanical design.
SAP2000 - The SAP name has been synonymous with state-of-the-art analytical methods since its introduction...
PLAXIS 3D - PLAXIS - Essential for geotechnical professionals. 2D & 3D finite element software for geotechnical analysis of deformation and stability of soil structures