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main-thread-scheduling

The premium Open Source alternative to React Scheduler

🎯 Best for:Web developers needing to run heavy JS logic without freezing the user interface.
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MITLicense

What is main-thread-scheduling?

Replaces blocking JavaScript execution patterns that cause UI lag and poor Interaction to Next Paint (INP) scores. It provides a priority-based task runner that automatically yields to the browser to maintain 60fps during heavy computations.

Tech Stack
TypeScriptFrontend & Headless CMS

Why main-thread-scheduling?

  • • Improves Core Web Vitals
  • • Extremely lightweight
  • • Simple integration

Limitations

  • • Browser-only environment
  • • Requires code refactoring
  • • Not suitable for Node.js
2/26/2026
Last Update
34
Forks
3
Issues
MIT
License
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Competitor Cost
-$1,440
/ year (est. based on React Scheduler)
Self-Hosted
$0
/ year
Team Size10 Users
150+
Launch Detailed Calculator
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