GNU Octave is a programming language for scientific computing.

Spyder is the Scientific PYthon Development EnviRonment: a powerful interactive development environment for the Python language with advanced editing.

Plotly lets users easily create interactive charts and dashboards to share online with their audience.

Sage offers business management, bookkeeping & accounting software to meet any business need, from small to midsized businesses.

SymPy is a Python library for symbolic computation. It provides computer algebra capabilities either as a standalone application, as a library to other applic…

FreeMat is a free environment for rapid engineering and scientific prototyping and data processing.