Gmsh - Gmsh is a 3D finite element grid generator with a build-in CAD engine and post-processor.
SketchUp Make - SketchUp Make is a best in the class CAD software capable of performing 2D and 3D rendering and designing, however, best for the 2D projects.
Altair - Visually Analyze Any Data at the Speed of Business
FreeCAD - An open-source parametric 3D modeler
NETGEN - NETGEN is an automatic 3d tetrahedral mesh generator.
Solid Edge - Solid Edge is an industry-leading mechanical design system with exceptional tools for creating and...