flowy

The premium Open Source alternative to Lucidchart

🎯 Best for:Developers needing a simple drag-and-drop flowchart builder.

What is flowy?

A lightweight alternative to library-heavy flowchart engines. It uses a vanilla JavaScript core to handle canvas-less DOM element positioning and linking.

Tech Stack
JavaScriptData Visualization

Why flowy?

  • No dependencies
  • Very small file size
  • Easy to style with CSS

Limitations

  • Limited complex logic
  • No built-in export to PDF
  • Basic feature set
3/5/2026
Last Update
1,048
Forks
57
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to flowy instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Lucidchart)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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