Chart.js - Easy, object oriented client side graphs for designers and developers.
MINIBLOQ - miniBloq is an open source graphical programming environment for Multiplo™, Arduino™, physical computing devices and robots.
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.
Visuino - Visuino is a visual programming environment that lets you write programs from Arduino circuit boards.
Google Charts - Interactive charts for browsers and mobile devices.
ArduBlock - ArduBlock is a graphical programming language plugin specifically made for Arduino circuits and controllers.