Qucs-S Alternatives

OrCAD PSpice technology provides the best, high-performance circuit simulation to analyze and refine your circuits, components, and parameters before committing to layout and fabrication

Solve Elec is a free educational program to draw and analyze electrical circuits.

oregano - An electrical engineering tool for GNOME

PCBWeb is a 100% free Windows desktop CAD application for designing and manufacturing electronics...

Help building prototypes on so called breadboards easily

Mixed Mode Simulation

PCB Wizard 3 is a powerful package for designing single-sided and double-sided PCBs.

Electronic circuit simulation for the Mac, support and downloads site.

PCB Artist is an advanced PCB layout software that comes in handy if you are an engineer or engineering student.

Electronic circuit simulator for STEM works online, Simulate and troubleshoot broken circuits in a rich simulation environment, easy to learn.

PSIM Software allows engineers to perform electronic circuit simulation and analysis used in motor drive or powering electronics.

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.

Fortex Circuit Wizard is an advanced circuit designing tool that allows you to design, simulate, and analyze the circuit with its comprehensive set of tools.