which technology or framework is used to create geometry-draggable canvas like this?

• d3

  35 107,544 8.4 Shell

  Bring data to life with SVG, Canvas and HTML. :bar_chart::chart_with_upwards_trend::tada:

  

• two.js

  2 8,181 8.1 JavaScript

  A renderer agnostic two-dimensional drawing api for the web.

  Two.js - example

• SurveyJS

  surveyjs.io

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• Scrawl-canvas

  4 305 8.8 JavaScript

  Responsive, interactive and more accessible HTML5 canvas elements. Scrawl-canvas is a JavaScript library designed to make using the HTML5 canvas element easier, and more fun

  Scrawl-canvas - example and another example (links to code at bottom of each page)

• pts

  0 5,095 7.2 TypeScript

  A library for visualization and creative-coding

  Pts.js - (sorry - couldn't find an example quickly)

• paper.js

  1 14,211 4.6 JavaScript

  The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @lehni & @puckey

  

  Paper.js - example (not interactive, just code)

• Konva

  3 10,704 8.4 TypeScript

  Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.

  

  Konva.js - example

• fabric.js

  7 27,363 9.3 JavaScript

  Javascript Canvas Library, SVG-to-Canvas (& canvas-to-SVG) Parser

  

  Fabric.js - example

• InfluxDB

  www.influxdata.com

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