ProppyJS - Functional props composition for UI components (React & Vue)
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.
Appbase.io - Search stack for building modern apps
Chart.js - Easy, object oriented client side graphs for designers and developers.
Deja vu - A mind-blowing interactive piece to promote an album. Wow.
Google Charts - Interactive charts for browsers and mobile devices.