litegraph.js

The premium Open Source alternative to Unreal Engine Blueprints

🎯 Best for:Building visual logic editors for web applications

What is litegraph.js?

A modular Javascript library for creating node-based visual programming interfaces using HTML5 Canvas2D. It allows developers to define custom nodes and export graph logic as JSON for execution on both client and server.

Tech Stack
JavaScriptLow-Code & Builder

Why litegraph.js?

  • No dependencies
  • High performance canvas
  • Server-side execution

Limitations

  • Manual UI styling
  • Canvas-only (no DOM nodes)
  • Documentation gaps
3/5/2026
Last Update
824
Forks
150
Issues
MIT
License
Financial Leak Detected

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