Multisim Student Version [cracked] Instant
Unlike generic circuit simulators, Multisim is renowned for its intuitive interface that looks like a workbench. You drag and drop components (resistors, op-amps, microcontrollers) onto a virtual breadboard or PCB layout and connect them with virtual wires.
Experiment with high-voltage or high-current scenarios without any physical danger. Multisim Live: The Web-Based Alternative multisim student version