What are some alternatives?
When comparing Abaqus Unified FEA and midas GTS NX, you can also consider the following products
RISA-3D - Structural Analysis and Design
SAP2000 - The SAP name has been synonymous with state-of-the-art analytical methods since its introduction...
ANSYS Mechanical - Multiphysics, structural and mechanical design.
RISA-2D - Structural Analysis and Design
CSi Bridge - INTEGRATED 3-D BRIDGE ANALYSIS, DESIGN AND RATING
SDC Verifier - SDC Verifier is an FEA engineering software to perform structural verification according to industry standards and safety codes.