QymCad is described as 'Parametric 3D CAD with a real B-rep kernel (OpenCASCADE)' and is a CAD software in the photos & graphics category. There are more than 10 alternatives to QymCad for a variety of platforms, including Windows, Mac, Linux, Web-based and iPad apps. The best QymCad alternative is FreeCAD, which is both free and Open Source. Other great apps like QymCad are SketchUp, SOLIDWORKS, Onshape and FluidCAD.
KOMPAS-3D is for creating three-dimensional associative models for individual parts and assembly's containing both original and standardized elements. The parametric technology allows quickly obtaining models for typical products basing on a once designed prototype.
SolidWorks is a CAD software that can be used to create parametric models, assemblies, and drawings. It's typical to work with relationships (the alignment of elements with one another) and dimensions (alignment through values).
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