MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
MySQL - The world's most popular open source database
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.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
GNU Octave - GNU Octave is a programming language for scientific computing.
SQLite - SQLite Home Page