joint
The premium Open Source alternative to GoJS
🎯 Best for:Building custom diagramming or workflow editors.
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
Stop the "SaaS Tax"
Your team could be burning cash. Switching to joint instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on GoJS)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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