Circuit Solver is described as 'Uses a simple drag and drop approach to building circuits. Simply drag the elements from the tool box onto the screen where you can wire and edit their values. Afterwards, hit the play button to simulate the circuit' and is an app. There are seven alternatives to Circuit Solver for a variety of platforms, including Mac, Windows, Linux, Web-based and Android apps. The best Circuit Solver alternative is Fritzing. It's not free, so if you're looking for a free alternative, you could try Circuit JS or Everycircuit. Other great apps like Circuit Solver are VoltSim, Experimenters Circuits, ECStudio and Circuit Solver Web.