DWSIM

DWSIM tem a funcionalidade central para balanços de massa e energia em estado estacionário. É fácil de usar e fácil de relatar. É o software de simulação de código aberto mais popular que pode ser usado para Windows, Linux e Mac OS.

Ease of doing most of the complex simulations, physical properties can be found out which can come in handy a lot of times and the interface is very user friendly and easy to understan and being an open source is the biggest advantage

Properties package, Daniel keeps on improving DWSIM , currently added economic analysis which is very accurate.