What are some alternatives?
When comparing SAP2000 and midas GTS NX, you can also consider the following products
RISA-3D - Structural Analysis and Design
ANSYS Mechanical - Multiphysics, structural and mechanical design.
RISA-2D - Structural Analysis and Design
Abaqus Unified FEA - Finite Element, Multiphysics, and Simulation Software
SkyCiv Structural 3D - SkyCiv Structural 3D is a powerful structural analysis and design software on the cloud.
CSi Bridge - INTEGRATED 3-D BRIDGE ANALYSIS, DESIGN AND RATING