Numerical Electromagnetic Code (NEC)  
   A code for an RF antenna design: unofficial archives including executables, source and documentation.
   http://www.qsl.net/wb6tpu/swindex.html

Fast Field Solvers  
   Find software tools, aids, information and utilities related to the electro magnetic characterization of complex 3D structures.
   http://www.fastfieldsolvers.com/

Sonnet Software  
   Company provides commercial EDA software solutions for high-frequency electromagnetic analysis.
   http://www.sonnetusa.com/

GEMACS Electromagnetic  
   General Electromagnetic Model for the Analysis of Complex Systems - for modeling antennas, structures, coupling, and scattering.
   http://www.gemacs.com/

FEMLAB: Electromagnetics Module  
   FEMLAB Electromagnetics handles a large class of electromagnetic applications whether dealing with electromagnetic waves or electromagnetic machines.
   http://www.femlab.com/electro/index.php

MAGNETICA  
   A software package for doing magnetostatics on a personal computer. Software calculates field gradient, magnetic flux, magnetic moment, inductance, magnetic links factor, electromagnetic forces, and electrical power.
   http://www.magneticasoft.com

Vector Fields  
   Commercial software for electromagnetic and microwave design.
   http://www.vectorfields.com/

Equipotential Surfaces and field Lines  
   3D Electromagnetism software for colleges and high schools for visualization of equipotential surfaces and field lines of many kinds of charges in addition with topographic and colored views
   http://www.electrostatics3d.com

FLO/EMC  
   Commercial electromagnetic analysis simulation software and consultancy services for EMC compliance, by Flomerics, UK.
   http://www.floemc.com

EMSolution from SSIL Inc.  
   Capabilities include 3D static, AC, transient, nonlinear electromagnetic problems. Coupling with motion (slide, source movement, mesh deformation) and circuits. Windows, Linux and Unix platforms. Free trial version on request.
   http://www.ssil.com/em/EMSolution/en/index.html

CST Software for Microwave and RF Design  
   CST develops and markets software for the design and optimization of microwave and RF devices. Applications include antennas, filters, connectors, SI, mobile communications and EMC.
   http://www.cst-world.com

Magnetic Field Visualization Software  
   A commercial computer program for fast modelling and visualization of magnetic fields. It was written using Borland Delphi and Pascal.
   http://www.vizimag.com

Finite Element Method Magnetics  
   A program for solving 2D/axisymmetric problems in low frequency magnetics.
   http://femm.foster-miller.net/index.html

TeslaMap  
   Free software for calculating your Tesla coil design.
   http://web.tampabay.rr.com/swilson9/teslamap.html

Field Expert  
   Create 2D systems of point charges and view equipotentials and lines of force with FieldExpert for Windows.
   http://alumnus.caltech.edu/~muresan/projects/esfields/

FEKO  
   Commercial electromagnetic simulation software. FEKO is a full wave, method of moments based code for the analysis of electromagnetic problems such as: EMC, shielding, coupling, antenna design, antenna placement analysis, microstrip antennas, circuits, s
   http://www.feko.info

Visualis Physics Electromagnetism  
   Commercial interactive educational software for physics, offering 3D views of main electromagnetic phenomena. Clear, quick and intuitive visualisation of electromagnetism. Developed by Editons Pixit Communication, Switzerland.
   http://www.visualis-physics.com