Cal.com
Open-source scheduling infrastructure
⭐ 4.5/5 (1500 reviews)
About Cal.com
Cal.com is the open-source alternative to Calendly, offering self-hosting, API access, and full customization for scheduling workflows.
Key Features
- Open source
- Self-hosting
- Round-robin
- Collective booking
- Routing forms
- API
✅ Pros
- Open source
- Self-hostable
- Full API
- Growing fast
❌ Cons
- Self-hosted setup complex
- Fewer enterprise features
- Newer platform
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