Description: Graphviz is an open source graph visualization software used for representing structural information as diagrams of abstract graphs and networks. It provides useful features for creating a variety of graph types like directed graphs, undirected graphs, hierarchies, and more.
Type: software
Pricing: Open Source
Description: Oppia is an open-source learning platform that allows users to create interactive online lessons called 'explorations'. It features a visual editor for building engaging content like quizzes, simulations, and feedback.
Type: software
Pricing: Open Source