book

The premium Open Source alternative to Calendly

🎯 Best for:Users requiring full control over scheduling data.
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What is book?

Replaces Calendly and Acuity Scheduling for appointment management. Provides a private booking engine with direct calendar synchronization and customizable availability logic.

Tech Stack
GoCalendar & Scheduling

Why book?

  • Privacy-focused architecture
  • No per-user fees
  • Simple Docker deployment

Limitations

  • Fewer integrations than SaaS
  • Manual update management
  • No managed hosting option
4/14/2026
Last Update
0
Forks
0
Issues
Unknown
License
Financial Leak Detected

Stop the "SaaS Tax"

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

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

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