Particle-in-cell code for plasma simulation
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
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