GNU Octave - GNU Octave is a programming language for scientific computing.

MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming

Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.

LTspice - LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.

Autodesk Fusion 360 - Integrated CAD, CAM, and CAE featuring collaborative editing and cloud-based computation.

MapleSim - MapleSim is an advanced system-level modeling tool that enables innovation and reduces development risk.