KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
GNU Octave - GNU Octave is a programming language for scientific computing.
QUCS - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.
Scilab - Scilab Official Website. Enter your search in the box aboveAbout ScilabScilab is free and open source software for numerical . Thanks for downloading Scilab!