DWSIM - DWSIM is an open-source CAPE-OPEN compliant chemical process simulator for Windows and Linux.

myOpenLab - MyOpenLab is a platform for finished elements (program components) that can be linked together.

MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming

PyLab_Works - PyLab_Works is a free and open source replacement for LabView + MatLab, written in pure Python.

CHEMCAD - We equip chemical engineers with integrated and intuitive process simulation software to tackle projects large and small. Discover how CHEMCAD can help you design, analyze and measure simple and complex processes like never before.

LabVIEW - LabVIEW offers many of the functions you'd find in a traditional script-based programming language presented in a more intuitive visual interface ideal fo engineering.