SimulIDE is described as 'Simple real time electronic circuit simulator. It's intended for general purpose electronics and microcontroller simulation, supporting PIC and AVR. PIC simulation is provided by gpsim and avr simulation by simavr' and is a circuit simulator in the education & reference category. There are more than 10 alternatives to SimulIDE for Windows, Linux, Web-based and Mac. The best SimulIDE alternative is Circuit JS, which is both free and Open Source. Other great apps like SimulIDE are Autodesk Tinkercad, Simulink, proteus VSM and CircuitLab.