S Parameters Python Packages

signalintegrity

Signal and Power Integrity Tools

opics

Open-source frequency domain circuit simulator for photonic integrated circuits.

edgefem

3D finite-element electromagnetics (FEM) solver for RF/mmWave simulation. Computes S-parameters, radiation patterns, and fields using Nédélec edge elements. Supports wave ports, PML/ABC boundaries, periodic structures, and dispersive materials.