LTspice is highly recommended for electronics engineers, students, and hobbyists who are involved in the design and analysis of analog circuits. It is especially beneficial for those working with power electronics, filter design, and analog components, as well as educators who require a dependable tool for teaching circuit fundamentals.
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
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.
GNU Octave - GNU Octave is a programming language for scientific computing.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
Scilab - Scilab Official Website. Enter your search in the box aboveAbout ScilabScilab is free and open source software for numerical . Thanks for downloading Scilab!