Chart.js - Easy, object oriented client side graphs for designers and developers.
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
D3.js - D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
MkDocs - Project documentation with Markdown.
Google Charts - Interactive charts for browsers and mobile devices.
Docusaurus - Easy to maintain open source documentation websites