Chart.js - Easy, object oriented client side graphs for designers and developers.
Arduino IDE - Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware...
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.
PlatformIO - Next-generation IDE for IoT
Google Charts - Interactive charts for browsers and mobile devices.
MINIBLOQ - miniBloq is an open source graphical programming environment for Multiplo™, Arduino™, physical computing devices and robots.