midas GTS NX is described as 'GTS NX is a comprehensive finite element analysis software package that is equipped to handle the entire range of geotechnical design applications including deep foundations, excavations, complex tunnel systems, seepage analysis, consolidation analysis, embankment design'. There are more than 50 alternatives to midas GTS NX for Windows, Linux, Online / Web-based and ANSYS Mechanical. The best alternative is SDC Verifier. It's not free, so if you're looking for a free alternative, you could try SkyCiv or Analysis for Windows. Other great apps like midas GTS NX are midas Civil (Paid), midas Gen (Paid), RISA-3D (Paid) and Abaqus Unified FEA (Paid).
SDC Verifier is an engineering software to perform verification according to standards. A lot of routines is automated with help of recognition, post-processing tools, and report generator. Works within Ansys Mechanical, Femap and Simcenter NX.
midas Gen is one-stop modeling, analysis and design solution for building and general structures. It features an intuitive UI, advanced analysis features, practical output and powerful design capacities using various standards
For nearly 30 years, ETABS has been recognized as the industry standard for Building Analysis and Design Software. Today, continuing in the same tradition, ETABS has evolved into a completely integrated building analysis and design environment.