Mapnik - Mapnik is a Free Toolkit for developing mapping applications.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
CALCONIC_ - Build & add interactive calculators to your website! Choose from more than 50 premade calculators or build your own from scratch. No coding required. Free plan available. Zapier Integration. Publish Anywhere.
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Minsky - System dynamics program with additional features for economics
Scilab - Scilab Official Website. Enter your search in the box aboveAbout ScilabScilab is free and open source software for numerical . Thanks for downloading Scilab!