GNU Octave - GNU Octave is a programming language for scientific computing.

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

Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.

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

Maxima - Maxima is a fairly complete computer algebra system written in Lisp with an emphasis on symbolic computation.

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.