That’s the reason for the vast versions of SPICE available now decades after the original was released, not all of which are as open or free as we might like. Qucs is a GPL circuit simulator.

Luckily, there’s a fully featured free and open source circuit simulation software called Qucs (Quite Universal Circuit Simulator), released under the GPL, that offers a decent alternative to ...

Researchers from Canada have developed solar cells that boast a record-breaking open circuit voltage. The solar cell design features indium gallium phosphide (InGaP), indium gallium arsenide ...