LCircuit

LCircuit is a handy and remarkably lightweight program that allows its users to simulate any circuit operations based on Boolean algebra.

Straight off the bat, it’s important to note that the app supports the four most popular modeling circuits such as AND, OR, NOT, and XOR.

Once launched, it becomes quite obvious that this is an app built for simplicity. Hence, while it may not be the most feature-packed app for circuit building out there, it definitely is one of the most straightforward to use with a very basic GUI that should appeal to even the most novice of users.

At the top, you get a basic menu bar, followed by a simple toolbar underneath, a component panel on the left side of the main window, and the actual circuit editor on the right. Right in between the toolbar and the circuit editor, there are two tabs showcasing the circuit components.

Users can effortlessly add links, as well as a wide array of input and output elements. The application does not require installation, and also bundles a series of very useful samples that allow users to get accustomed to its inner-workings.

If you’re looking for a simple-to-use circuit schema modeling program, then you should definitely check out LCircuit. It supports the four most important modeling circuit types, it’s remarkably easy to use, and it comes with a few sample files.