JMAG is a specialized electromagnetic simulation platform developed by JSOL Corporation, with a strong focus on the design and optimization of electric motors, generators, transformers, actuators, and other electromechanical devices. The software combines finite element analysis with model-based development workflows, including its JMAG-RT tool for generating motor models compatible with system-level simulators like MATLAB/Simulink. Widely adopted by leading automotive and industrial manufacturers, JMAG is recognized in the magnetics community for its depth of capability in motor design, loss analysis, and control system integration.