Description: Duolingo is a free language-learning platform that offers over 100 total courses across more than 30 languages. The bite-sized lessons make it easy to learn a new language through fun, quick activities on your phone, tablet, or computer.
Type: software
Pricing: Freemium
Description: FEATFLOW is an open-source simulation software for modeling incompressible fluid flow, heat and mass transfer, and fluid-structure interaction problems. It uses the finite element method and has interfaces for MATLAB and Paraview for preprocessing, solving, and postprocessing.
Type: software
Pricing: Open Source