Logical Circuit is described as 'Free, open source educational software for designing and simulating digital logic circuits. Intuitive graphical user interface, allows you to create unrestricted circuit hierarchy with multi bit buses, debug circuits behavior with oscilloscope, and navigate running circuits' and is an app. There are more than 10 alternatives to Logical Circuit for a variety of platforms, including Mac, Windows, Linux, Web-based and Self-Hosted apps. The best Logical Circuit alternative is Logisim, which is both free and Open Source. Other great apps like Logical Circuit are BOOLR, Hradla, Logisim Evolution and Digital Logic Sim.