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: HyperCard was a software application released by Apple in 1987 that allowed users to create their own hypertextual information stacks to organize data like a database and develop custom applications. It pioneered many hypermedia concepts.
Type: software