Radiation Spectrum Method : a modal BPM (Beam Propagation Method)
Software for electromagnetic simulation
Cross platform electromagnetics finite element analyisis based on FEMM
Finite Element Method on 3D Meshes
Finite element analysis of electromagnetic devices
GMES is a free Python package for FDTD electromagnetic simulations.
A FDTD solver for electromagnetic wave simulations on a GPU cluster
FDTD Electomagnetic Wave Simulation Software
3-DPhysicsSim is an interactive 3-D physics simulator.