CodeCanvas

Virtual whiteboard for sketching hand-drawn like diagrams

Apache ECharts is a powerful, interactive charting and data visualization library for browser

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

whiteboard SDK / infinite canvas SDK

Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.

The project has been migrated to @wolf-table/table https://github.com/wolf-table/table

Generates an image from a DOM node using HTML5 canvas

? JavaScript Library for HTML5 canvas based heatmaps

Promotional Image Generator for our podcast episodes ?

?? Beautiful chart for data visualization.