three.js

The premium Open Source alternative to Unity

🎯 Best for:Web developers building interactive 3D experiences and games.
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What is three.js?

A cross-browser JavaScript library and API used to create and display animated 3D graphics in a web browser. It abstracts WebGL complexities into a high-level scene graph and rendering system.

Tech Stack
JavaScriptGame Development

Why three.js?

  • Massive community support
  • Extensive plugin ecosystem
  • Hardware accelerated

Limitations

  • Steep learning curve
  • Math intensive
  • Large core library
3/5/2026
Last Update
36,282
Forks
597
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MIT
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Competitor Cost
-$1,440
/ year (est. based on Unity)
Self-Hosted
$0
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Team Size10 Users
150+
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