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.
Shadertoy - Build shaders, share them, and learn from the best community.
Chart.js - Easy, object oriented client side graphs for designers and developers.
SHADERed - Lightweight, full-featured desktop tool for creating and testing HLSL and GLSL shaders
Google Charts - Interactive charts for browsers and mobile devices.
GLSL Sandbox - An online GSGL Shader Gallery and live development tool.