The original circuit simulation software, called the Simulation Program ... not all of which are as open or free as we might like. Qucs is a GPL circuit simulator. And if you want the GUI option ...

With this software, you can set ranges for various circuit components ... However, we appreciate the free release of this powerful simulator that can give LTSpice a run for its money.

“PICLS Lite is an incredibly simple to use free thermal simulation tool for electronic circuit boards, produced by the team behind leading electronics thermal simulation software, Cradle CFD. It ...

In this course, you will learn the purpose of each component in an equivalent-circuit model of a lithium-ion battery ... or similar scientific program environment ...

What can be achieved without running full simulations.