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Cal.com

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Let people book appointments from your availability and connected calendars.

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What you can use it for

Let people book appointments from your availability and connected calendars.

  • Covers the core everyday task of Calendly: letting people book meetings from your availability.
  • 49.0k GitHub stars; last commit 2026-09-20.
Workflow coverage and comparison notes

Free individual booking links, calendar sync, and scheduling infrastructure without subscription fee. Open-source scheduling infrastructure for calendar integration, booking links, and automated appointment confirmations without Acuity Scheduling monthly fees.

Before you switch

Hosted free plan limits vs paid; self-host free For TidyCal: offer individual booking links with unlimited event types and connected calendars on Cal.com’s hosted Free plan for one user. TidyCal already offers basic bookings free. Cal.com teams and organisation features are paid; no TidyCal AI assistant, group-booking or agency feature parity is promised. Payment processor charges still apply when collecting payments. For YouCanBookMe: Offer individual booking links with unlimited event types and connected calendars on the hosted Free plan for one user. YouCanBookMe already offers one booking page and calendar free. Team features cost extra; CRM, SMS, workflow, group-booking and analytics parity are not established. Payment processor fees can apply.

Alternatives to these paid apps

Each comparison covers the workflow described above, rather than every paid feature.

More for the same workflow

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