Virtual Breadboard is described as 'It is a circuit simulator on a virtual breadboard. it supports virtual components like microcontrollers, TTL, graphical and alphanumerical LCDs and others in addition to virtual instruments and certainly the basic components (resistors, capacitors..)' and is a circuit simulator in the education & reference category. There are more than 10 alternatives to Virtual Breadboard for a variety of platforms, including Windows, Linux, Mac, Web-based and Chrome OS apps. The best Virtual Breadboard alternative is Circuit JS, which is both free and Open Source. Other great apps like Virtual Breadboard are QUCS, SimulIDE, Qucs-S and gEDA Project.