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.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
myOpenLab - MyOpenLab is a platform for finished elements (program components) that can be linked together.
GNU Octave - GNU Octave is a programming language for scientific computing.
PyLab_Works - PyLab_Works is a free and open source replacement for LabView + MatLab, written in pure Python.
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.