MuPhyN is described as 'Multi Physical Nexus is a new software that allows the user to create visual diagram and print charts or export data in files. It is already well working, but it is still under developpement and does not include all the simulink features' and is an app in the Development category. There are four alternatives to MuPhyN for Linux, Windows and Mac. The best alternative is OpenModelica, which is both free and Open Source. Other great apps like MuPhyN are Xcos (Free, Open Source), GNU Radio (Free, Open Source) and Simulink (Paid).