The original circuit simulation software, called the Simulation Program with Integrated Circuit Emphasis, or SPICE as it is more commonly known, was originally developed at the University of Califo… ...

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 ...

Another free open-source Circuit Simulation Software on our list is NgSpice. It is one of the most popular tools alongside LTSpice. One of the reasons why some people may choose NgSpice over ...