BMS is described as 'Block model simulator for python
BMS is a block model time simulator: it computes time values of time functions (called variables) linked by blocks which represent equations and behaviors between them' and is an app in the education & reference category. There are eight alternatives to BMS for Windows, Linux, Mac and Web-based. The best BMS alternative is Circuit JS, which is both free and Open Source. Other great apps like BMS are Xcos, Simulink, Experimenters Circuits and Circuit Solver Desktop.