heatmap.js is a JavaScript Library for HTML5 canvas based heatmaps. This JavaScript library will help you make your 3 dimensional data speak up. It is the most advanced lightweight heatmap visualization library on the web.
It includes features:
- faster, with a new rendering module
- stronger, to handle even more datapoints (40k+)
- easier to use so you can get up to speed quickly
- easier to extend for custom functionality