Since its inception in 1992, Zeland Software has been recognized as a leading developer to provide unparalleled high-frequency electromagnetic simulation and design tools for microwave, semiconductor, wireless, and telecom industries, government laboratories, and universities around the world.

As Zeland's flagship product, the moment-method based EM simulation and optimization package IE3D™ has become a standard tool in the design of MMICs, RFICs, LTCC circuits, IC interconnects and packages, SoP, SiP, HTS circuits, RFID antennas, microstrip antennas, wire antennas, and other RF/wireless antennas. Other products include FDTD package FIDELITY™ for modeling any 3D high-frequency structures, MDSPICE™ for mixed frequency- and time-domain S-parameter SPICE simulations, COCAFIL™ for analysis and synthesis of waveguide filters, FILTERSYN™ for planar filter synthesis, SPIRALSYN™ for spiral inductor and transformer synthesis, and LINEGAUGE™ for transmission line design.