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: NetworkX is an open-source Python package for creating, manipulating, and studying the structure, dynamics, and functions of complex networks. It provides tools for analyzing node and edge attributes, generating synthetic networks, calculating network measures, drawing networks, and more.
Type: software
Pricing: Open Source