JSpice is a simple electrical circuit simulator written in Java with simple GUI and extended ... uses complex conditioning which analyses the circuit and chooses the near best option to layout the ...

Qucs is a GPL circuit simulator. And if you want the GUI option, you might want to try out QucsStudio, which uses Qucs under the hood, and is free to use, but binary-only. (Editor’s note ...

A basic circuit simulator written in C that reads a text-based description of a circuit and calculates the total resistance for series and parallel resistor networks. This project followed the Scrum ...

For simple circuits, it’s easy enough to grab a breadboard and start putting it together. Breadboards make it easy to check your circuit for mistakes before soldering together a finished product.