Best for: 2D magnetostatic, time-harmonic, and electrostatic problems. Platform: Windows (runs on Linux/Mac via Wine). License: MIT (open source).
Classroom exercises, simple electromagnets, motors. magnetic field simulation software free
elmerfem.org 3. OpenFOAM (with electroMagnetics solvers) Best for: Advanced users needing transient or coupled plasma/MHD simulations. Platform: Linux, Windows (WSL), macOS. License: GPL. Best for: 2D magnetostatic
femm.foster-miller.net 2. Elmer FEM (Multi-physics) Best for: Coupled electromagnetic-thermal-structural problems. Platform: Windows, Linux, macOS. License: GPL (open source). magnetic field simulation software free
Historical interest or very simple 3D checks.
Motor design, solenoid actuators, magnetic levitation, transformer leakage fields.
quickfield.com/free_software.htm 5. Ansoft Maxwell SV (Legacy) Best for: Learning basic 3D magnetostatics (older software). Platform: Windows (XP/7 compatibility mode). License: Freeware (no longer supported).