WebGL Shader Live Coding

• Shader Toy – Epic community! Endless learning!
• Shader Editor known from Book Of Shaders!

Graphing / Calculators

• Desmos – Capable grapher! Try ‘sin(xx+yy) = 0.5″
• Graph Toy – Simple on-line graph visualizer
• GraphyCalc – Simple wireframe 3D function plotter
• FormulaCalc – Simpler but with result history for expressions
• Rechner Online Function Graphs – German style calculator

Processing.js Live Coding

• P5.js Editor – Online environment for processing.js
• HasCanvas – Online environment for the processing API (java/js)

Javascript Live Coding

• Observable – Javascript notebooks with good library support
• CodePen – Famous online javascript coding environment
• JSFiddle – Also famous online javascript coding environment
• Pocket Full of Canvas – A demo-scenish visual effects playground
• Pocket Full of HTML5 – Similar to the above, but Firefox 4 only!