Django REST framework - Django REST framework is a toolkit for building web APIs.
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.
GraphQL - GraphQL is a data query language and runtime to request and deliver data to mobile and web apps.
Chart.js - Easy, object oriented client side graphs for designers and developers.
JsonAPI - Application and Data, Languages & Frameworks, and Query Languages
Google Charts - Interactive charts for browsers and mobile devices.