Chart.js - Easy, object oriented client side graphs for designers and developers.
Codezero - Collaborative Local Microservices Development
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.
LeadMD - LeadMD is the revenue performance consultancy that cuts through the BS by making your vision actionable and your outcomes measureable
Google Charts - Interactive charts for browsers and mobile devices.
Sirius - An open-source clone of Siri from UMICH