Sketch.IO - The Maker of Sketchpad
https://www.sketchpad.app/about.html
WebSketch.IO. Sketch.IO creates a variety of annotation, editing & design tools. Our cutting edge software can be utilized in a broad array of industries—from science & education to product customization for printing. Javascript, NodeJS, HTML5, CSS3, Canvas, SVG, WebAudio, WebGL & WebRTC.
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