Cal.com

Open-source scheduling infrastructure

⭐ 4.6/5 (2000 reviews)

About Cal.com

Cal.com is an open-source Calendly alternative. Self-host or use their cloud for scheduling meetings without the back-and-forth.

Key Features

  • Event types
  • Calendar sync
  • Team scheduling
  • Workflows
  • Webhooks
  • Self-host

✅ Pros

  • Open source
  • Free tier
  • Self-host option
  • Feature-rich

❌ Cons

  • Complex setup for self-host
  • Newer than Calendly
  • Enterprise features growing
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