Cisco Packet Tracer - Download Cisco Packet Tracer, an innovative network simulation and visualization tool used by Cisco Networking Academy students and instructors.
BioWin - BioWin
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
AQUASIM - In order to support environmental scientists in finding an «adequate» model of the system...
GNS3 - GNS3 is a graphical network simulator that allows simulation of complex networks.
DWSIM - DWSIM is an open-source CAPE-OPEN compliant chemical process simulator for Windows and Linux.