joint

The premium Open Source alternative to GoJS

🎯 Best for:Building custom diagramming or workflow editors.
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MPL-2.0License

What is joint?

A diagramming library that renders interactive flowcharts and graphs using SVG and JavaScript. It provides a robust API for manipulating graph elements and links, serving as the engine for visual modeling tools.

Tech Stack
JavaScriptData Visualization

Why joint?

  • Mature API
  • SVG allows CSS styling
  • Extensive event handling

Limitations

  • Legacy dependencies (Backbone)
  • Performance drops with massive graphs
  • Advanced features are paid (Rappid)
3/5/2026
Last Update
879
Forks
35
Issues
MPL-2.0
License
Financial Leak Detected

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Competitor Cost
-$1,440
/ year (est. based on GoJS)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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