Scilab is recommended for engineers, scientists, and educators who require a powerful computational tool without the associated costs of commercial software. It is also suitable for students and researchers who are looking to perform complex mathematical modeling and simulations.
ScrollMagic - The jQuery plugin for magical scroll interactions.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Lax.js - Create beautiful & smooth animations when you scroll
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.
ScrollReveal - ScrollReveal is a tool to add scroll animations for web and mobile browsers.
GNU Octave - GNU Octave is a programming language for scientific computing.