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PrePoMax vs Gmsh: catalog facts
PrePoMax	Gmsh
Best for: Engineers and students running structural FEM simulations with CalculiX	Best for: Engineers and researchers building meshes for finite element simulations
Free Free and open source.	Free Free and open source under the GNU General Public License.
Windows	Windows, macOS, Linux, Command line
Graphical front end for the CalculiX solver Imports CAD exchange formats and STL files All 4 strengths for PrePoMax Graphical front end for the CalculiX solver Imports CAD exchange formats and STL files Netgen and Gmsh meshing, including hexahedral elements Animated 3D result fields and 2D history plots	Geometry, meshing, solver and post-processing in one tool Scriptable through .geo files and several language APIs All 4 strengths for Gmsh Geometry, meshing, solver and post-processing in one tool Scriptable through .geo files and several language APIs Runs on Windows, Linux and macOS including ARM Thorough reference manual and tutorial
Limited to the CalculiX solver Requires knowledge of finite element analysis	Specialist tool that assumes finite element knowledge Interface is functional rather than polished
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for PrePoMax prepomax.fs.um.si Catalog checked October 1, 2026	Official website Full listing and sources Sources for Gmsh gmsh.info Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.