Gmsh is described as '3D finite element grid generator with a build-in CAD engine and post-processor. Its design goal is to provide a fast, light and user-friendly meshing tool with parametric input and advanced visualization capabilities' and is a 3D Modeler in the photos & graphics category. There are more than 25 alternatives to Gmsh for a variety of platforms, including Windows, Linux, Mac, Web-based and iPad apps. The best Gmsh alternative is Blender, which is both free and Open Source. Other great apps like Gmsh are Wings 3D, Autodesk Maya, Autodesk 3ds Max and Rhinoceros.
ANSA is an advanced multidisciplinary CAE pre-processing tool that provides all the necessary functionality for full-model build up, from CAD data to ready-to-run solver input file, in a single integrated environment.
Pointwise is the choice for CFD Meshing. It's easy to use, highly automated, provides direct interfaces to popular CFD analysis software, and comes with professional tech support.
TetGen is a program to generate tetrahedral meshes of any 3D polyhedral domains. TetGen generates exact constrained Delaunay tetrahedralizations, boundary conforming Delaunay meshes, and Voronoi partitions.
NETGEN is an automatic 3d tetrahedral mesh generator. It accepts input from constructive solid geometry (CSG) or boundary representation (BRep) from STL file format.
Polydust is a 3D modeling app made for iPad. For low poly, polygonal and voxel graphics. Create beautiful models with powerful operations and modifiers.
enGrid is an open-source mesh generation software with CFD applications in mind. enGrid uses an in-house development for surface meshing and prismatic boundary layers; a module for hex far-fields will be added in the next release.
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