calender-connect
The premium Open Source alternative to Calendly
🎯 Best for:Developers needing a self-hosted scheduling engine.
What is calender-connect?
Replaces proprietary scheduling tools like Calendly or Acuity Scheduling. Built on a Java backend for enterprise-grade stability with a React-based dynamic booking interface.
Tech Stack
JavaCalendar & Scheduling
Why calender-connect?
- • Robust Java backend
- • No per-user fees
- • Extensible React UI
Limitations
- • Requires JVM environment
- • Manual SMTP setup
- • No native mobile app
2/22/2026
Last Update
1
Forks
0
Issues
Unknown
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to calender-connect instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Calendly)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%