Best Diagram-JS Alternatives & Competitors in 2025

GoJS is a JavaScript library for building interactive diagrams on HTML web pages. Build apps with flowcharts, org charts, BPMN, UML, modeling, and other visual graph types.

Open Source

mxGraph is a fully client side JavaScript diagramming library - jgraph/mxgraph

High performance web components for SaaS apps - including Gantt, Scheduler, Grid, Calendar and Kanban widgets. Seamless integration with React, Vue, Angular or plain JS apps.

Try for free Free Trial $850.0 / One-off (OEM license for commercial use)

Konva is 2d Canvas JavaScript framework for drawings shapes, animations, node nesting, layering, filtering, event handling, drag and drop and much more.

Open Source

jsPlumb is an advanced, standards-compliant and easy to use JS library for building connectivity based applications, such as flowcharts, process flow diagrams, sequence diagrams, organisation charts, etc. More than just a diagram library.

Open Source paid Free Trial $990.0 / One-off

Create interactive diagrams for JavaScript and HTML using MindFusion browser based visualization library.

Open source vector graphics scripting framework that runs on top of the HTML5 Canvas.

Open Source

A JavaScript 3D library which makes WebGL simpler.

Open Source

oCanvas is a JavaScript library intended to make development with HTML5 Canvas easier.

Open Source

Fast and flexible WebGL-based HTML5 game and app development library.

Open Source

JS library for creating graphic and interactive experiences

Open Source

Free open-source JavaScript library for easily drawing HTML5 graphics and animation.

Open Source

Fast lightweight 2D library that works across all devices

A JavaScript library for web-based content editing