SCIA Engineer is described as 'integrated, multi-material structural analysnd design software for all kinds of structures'. There are more than 25 alternatives to SCIA Engineer for Windows. The best alternative is midas Civil. Other great apps like SCIA Engineer are RISA-3D (Paid), midas Gen (Paid), RISA-2D (Paid) and Etabs (Paid).
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.