Gmsh: a three-dimensional finite element mesh generator with built-in pre- and post-processing facilities
GitHub - trixi-framework/HOHQMesh: High Order Hex-Quad Mesh (HOHQMesh) package to automatically generate all-quadrilateral meshes with high order boundary information.
FEA mesh using open source tools | SesamX
Mesh Generation | Program Slab | GEO5 | Online Help
An Open-Source Mesh Generation Platform for Biophysical Modeling Using Realistic Cellular Geometries - ScienceDirect